ͻ񻣼 knock over the bucket of water

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 Laboratory¡¡work¡¡is¡¡your¡¡chance¡¡to¡¡learn¡¡science¡¡firsthand.¡¡It¡¡can¡¡be¡¡fun¡¡but¡¡you¡¡must¡¡be¡¡careful¡¡to¡¡prevent¡¡injury.¡¡Listen¡¡closely¡¡when¡¡your¡¡teacher¡¡reads¡¡and¡¡explains¡¡the¡¡rules¡¡before¡¡your¡¡first¡¡lab¡¡lesson.
LABORATORYRULES
Throughout¡¡the¡¡lesson
¡¤Do¡¡not¡¡enter¡¡the¡¡science¡¡lab¡¡without¡¡the¡¡teacher¡¯s¡¡permission.¡¤No¡¡food¡¡or¡¡drinks¡¡are¡¡to¡¡be¡¡alowed¡¡in¡¡the¡¡science¡¡lab.
Before¡¡the¡¡Experiment
¡¤Read¡¡al¡¡instructions¡¡carefuly¡¡before¡¡every¡¡experiment.
¡¤Prepare¡¡al¡¡apparatus£¨ÒÇÆ÷£©and¡¡arrange¡¡them¡¡so¡¡that¡¡you¡¡wil¡¡not¡¡knock¡¡them¡¡over¡¡while¡¡doing¡¡the¡¡experiment.
During¡¡the¡¡Experiment
¡¤If¡¡you¡¡are¡¡unsure¡¡of¡¡how¡¡to¡¡use¡¡any¡¡apparatus¡¡or¡¡how¡¡to¡¡operate,¡¡ask¡¡your¡¡teacher¡¡for¡¡help.¡¤Never¡¡smel¡¡or¡¡taste¡¡chemicals¡¡unless¡¡your¡¡teacher¡¡gives¡¡permission.
After¡¡the¡¡Experiment
¡¤Wash¡¡al¡¡apparatus¡¡after¡¡use¡¡and¡¡return¡¡them¡¡to¡¡the¡¡places¡¡where¡¡they¡¡were.
¡¤Throw¡¡waste¡¡materials¡¡in¡¡proper¡¡waste¡¡baskets.¡¡¡¡¡¡¡¡First¡¡Aid¡¡¡¡¡¡¡¡
¡¤Report¡¡al¡¡accidents¡¡to¡¡your¡¡teacher¡¡immediately.
¡¤If¡¡you¡¡spil£¨ ½¦ ³ö £©any¡¡chemicals¡¡onto¡¡your¡¡body¡¡or¡¡clothing,¡¡wash¡¡with¡¡plenty¡¡of¡¡water¡¡and¡¡report¡¡to¡¡your¡¡teacher.
¡¾Ð¡Ìâ1¡¿¡¡Your¡¡teacher¡¡wil¡¡probably¡¡tel¡¡you¡¡the¡¡rules¡¡above¡¡_____¡¡the¡¡first¡¡lab¡¡lesson.

A£®beforeB£®sinceC£®duringD£®after
¡¾Ð¡Ìâ2¡¿¡¡Before¡¡every¡¡experiment,¡¡you¡¡should¡¡_____.
A£®taste¡¡the¡¡chemicals¡¡first
B£®clean¡¡al¡¡the¡¡apparatus
C£®read¡¡al¡¡instructions¡¡carefuly
D£®report¡¡al¡¡the¡¡accidents¡¡to¡¡the¡¡teacher
¡¾Ð¡Ìâ3¡¿¡¡When¡¡you¡¡are¡¡not¡¡sure¡¡how¡¡to¡¡use¡¡al¡¡apparatus,¡¡_____.
A.¡¡try¡¡them¡¡on¡¡your¡¡own
B.¡¡read¡¡the¡¡rules¡¡carefuly
C.¡¡ask¡¡your¡¡teacher¡¡for¡¡help
d.¡¡put¡¡them¡¡back
¡¾Ð¡Ìâ4¡¿¡¡It¡¡is¡¡clear¡¡that¡¡you¡¡can¡¡_____.
A£®bring¡¡food¡¡into¡¡the¡¡lab
B£®enter¡¡the¡¡lab¡¡anytime
C£®smel¡¡chemicals¡¡as¡¡you¡¡like
D£®learn¡¡science¡¡directly¡¡in¡¡the¡¡lab
¡¾Ð¡Ìâ5¡¿¡¡If¡¡you¡¡get¡¡chemicals¡¡on¡¡the¡¡clothing,¡¡you¡¡can¡¡find¡¡ways¡¡to¡¡solve¡¡it¡¡in¡¡the¡¡part¡¡_____.
A£®Before¡¡the¡¡Experiment
B£®First¡¡Aid
C£®During¡¡the¡¡Experiment
D£®After¡¡the¡¡Experiment

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 Laboratory¡¡work¡¡is¡¡your¡¡chance¡¡to¡¡learn¡¡science¡¡firsthand.¡¡It¡¡can¡¡be¡¡fun¡¡but¡¡you¡¡must¡¡be¡¡careful¡¡to¡¡prevent¡¡injury.¡¡Listen¡¡closely¡¡when¡¡your¡¡teacher¡¡reads¡¡and¡¡explains¡¡the¡¡rules¡¡before¡¡your¡¡first¡¡lab¡¡lesson.

    LABORATORYRULES

    Throughout¡¡the¡¡lesson

    ¡¤Do¡¡not¡¡enter¡¡the¡¡science¡¡lab¡¡without¡¡the¡¡teacher¡¯s¡¡permission.¡¤No¡¡food¡¡or¡¡drinks¡¡are¡¡to¡¡be¡¡alowed¡¡in¡¡the¡¡science¡¡lab.

    Before¡¡the¡¡Experiment

    ¡¤Read¡¡al¡¡instructions¡¡carefuly¡¡before¡¡every¡¡experiment.

    ¡¤Prepare¡¡al¡¡apparatus£¨ÒÇÆ÷£©and¡¡arrange¡¡them¡¡so¡¡that¡¡you¡¡wil¡¡not¡¡knock¡¡them¡¡over¡¡while¡¡doing¡¡the¡¡experiment.

    During¡¡the¡¡Experiment

    ¡¤If¡¡you¡¡are¡¡unsure¡¡of¡¡how¡¡to¡¡use¡¡any¡¡apparatus¡¡or¡¡how¡¡to¡¡operate,¡¡ask¡¡your¡¡teacher¡¡for¡¡help.¡¤Never¡¡smel¡¡or¡¡taste¡¡chemicals¡¡unless¡¡your¡¡teacher¡¡gives¡¡permission.

    After¡¡the¡¡Experiment

    ¡¤Wash¡¡al¡¡apparatus¡¡after¡¡use¡¡and¡¡return¡¡them¡¡to¡¡the¡¡places¡¡where¡¡they¡¡were.

    ¡¤Throw¡¡waste¡¡materials¡¡in¡¡proper¡¡waste¡¡baskets.¡¡¡¡¡¡¡¡First¡¡Aid¡¡¡¡¡¡¡¡

    ¡¤Report¡¡al¡¡accidents¡¡to¡¡your¡¡teacher¡¡immediately.

    ¡¤If¡¡you¡¡spil£¨ ½¦ ³ö £©any¡¡chemicals¡¡onto¡¡your¡¡body¡¡or¡¡clothing,¡¡wash¡¡with¡¡plenty¡¡of¡¡water¡¡and¡¡report¡¡to¡¡your¡¡teacher.

   1.¡¡Your¡¡teacher¡¡wil¡¡probably¡¡tel¡¡you¡¡the¡¡rules¡¡above¡¡_____¡¡the¡¡first¡¡lab¡¡lesson.

    A.¡¡before¡¡¡¡¡¡¡¡¡¡B.¡¡since¡¡¡¡¡¡¡¡C.¡¡during¡¡¡¡¡¡¡¡D.¡¡after

2.¡¡Before¡¡every¡¡experiment,¡¡you¡¡should¡¡_____.

    A.¡¡taste¡¡the¡¡chemicals¡¡first

    B.¡¡clean¡¡al¡¡the¡¡apparatus

    C.¡¡read¡¡al¡¡instructions¡¡carefuly

    D.¡¡report¡¡al¡¡the¡¡accidents¡¡to¡¡the¡¡teacher

  3.¡¡When¡¡you¡¡are¡¡not¡¡sure¡¡how¡¡to¡¡use¡¡al¡¡apparatus,¡¡_____.

    A.¡¡try¡¡them¡¡on¡¡your¡¡own

    B.¡¡read¡¡the¡¡rules¡¡carefuly

    C.¡¡ask¡¡your¡¡teacher¡¡for¡¡help

    d.¡¡put¡¡them¡¡back

 4.¡¡It¡¡is¡¡clear¡¡that¡¡you¡¡can¡¡_____.

    A.¡¡ bring¡¡food¡¡into¡¡the¡¡lab

    B.¡¡enter¡¡the¡¡lab¡¡anytime

    C.¡¡smel¡¡chemicals¡¡as¡¡you¡¡like

    D.¡¡learn¡¡science¡¡directly¡¡in¡¡the¡¡lab

    5.¡¡If¡¡you¡¡get¡¡chemicals¡¡on¡¡the¡¡clothing,¡¡you¡¡can¡¡find¡¡ways¡¡to¡¡solve¡¡it¡¡in¡¡the¡¡part¡¡_____.

    A.¡¡Before¡¡the¡¡Experiment

    B.¡¡First¡¡Aid

    C.¡¡During¡¡the¡¡Experiment

    D.¡¡After¡¡the¡¡Experiment

 

²é¿´Ï°ÌâÏêÇéºÍ´ð°¸>>
 Laboratory¡¡work¡¡is¡¡your¡¡chance¡¡to¡¡learn¡¡science¡¡firsthand.¡¡It¡¡can¡¡be¡¡fun¡¡but¡¡you¡¡must¡¡be¡¡careful¡¡to¡¡prevent¡¡injury.¡¡Listen¡¡closely¡¡when¡¡your¡¡teacher¡¡reads¡¡and¡¡explains¡¡the¡¡rules¡¡before¡¡your¡¡first¡¡lab¡¡lesson.
LABORATORYRULES
Throughout¡¡the¡¡lesson
¡¤Do¡¡not¡¡enter¡¡the¡¡science¡¡lab¡¡without¡¡the¡¡teacher¡¯s¡¡permission.¡¤No¡¡food¡¡or¡¡drinks¡¡are¡¡to¡¡be¡¡alowed¡¡in¡¡the¡¡science¡¡lab.
Before¡¡the¡¡Experiment
¡¤Read¡¡al¡¡instructions¡¡carefuly¡¡before¡¡every¡¡experiment.
¡¤Prepare¡¡al¡¡apparatus£¨ÒÇÆ÷£©and¡¡arrange¡¡them¡¡so¡¡that¡¡you¡¡wil¡¡not¡¡knock¡¡them¡¡over¡¡while¡¡doing¡¡the¡¡experiment.
During¡¡the¡¡Experiment
¡¤If¡¡you¡¡are¡¡unsure¡¡of¡¡how¡¡to¡¡use¡¡any¡¡apparatus¡¡or¡¡how¡¡to¡¡operate,¡¡ask¡¡your¡¡teacher¡¡for¡¡help.¡¤Never¡¡smel¡¡or¡¡taste¡¡chemicals¡¡unless¡¡your¡¡teacher¡¡gives¡¡permission.
After¡¡the¡¡Experiment
¡¤Wash¡¡al¡¡apparatus¡¡after¡¡use¡¡and¡¡return¡¡them¡¡to¡¡the¡¡places¡¡where¡¡they¡¡were.
¡¤Throw¡¡waste¡¡materials¡¡in¡¡proper¡¡waste¡¡baskets.¡¡¡¡¡¡¡¡First¡¡Aid¡¡¡¡¡¡¡¡
¡¤Report¡¡al¡¡accidents¡¡to¡¡your¡¡teacher¡¡immediately.
¡¤If¡¡you¡¡spil£¨ ½¦ ³ö £©any¡¡chemicals¡¡onto¡¡your¡¡body¡¡or¡¡clothing,¡¡wash¡¡with¡¡plenty¡¡of¡¡water¡¡and¡¡report¡¡to¡¡your¡¡teacher.
¡¾Ð¡Ìâ1¡¿¡¡Your¡¡teacher¡¡wil¡¡probably¡¡tel¡¡you¡¡the¡¡rules¡¡above¡¡_____¡¡the¡¡first¡¡lab¡¡lesson.
A£®beforeB£®sinceC£®duringD£®after
¡¾Ð¡Ìâ2¡¿¡¡Before¡¡every¡¡experiment,¡¡you¡¡should¡¡_____.
A£®taste¡¡the¡¡chemicals¡¡first
B£®clean¡¡al¡¡the¡¡apparatus
C£®read¡¡al¡¡instructions¡¡carefuly
D£®report¡¡al¡¡the¡¡accidents¡¡to¡¡the¡¡teacher
¡¾Ð¡Ìâ3¡¿¡¡When¡¡you¡¡are¡¡not¡¡sure¡¡how¡¡to¡¡use¡¡al¡¡apparatus,¡¡_____.
A.¡¡try¡¡them¡¡on¡¡your¡¡own
B.¡¡read¡¡the¡¡rules¡¡carefuly
C.¡¡ask¡¡your¡¡teacher¡¡for¡¡help
d.¡¡put¡¡them¡¡back
¡¾Ð¡Ìâ4¡¿¡¡It¡¡is¡¡clear¡¡that¡¡you¡¡can¡¡_____.
A£®bring¡¡food¡¡into¡¡the¡¡lab
B£®enter¡¡the¡¡lab¡¡anytime
C£®smel¡¡chemicals¡¡as¡¡you¡¡like
D£®learn¡¡science¡¡directly¡¡in¡¡the¡¡lab
¡¾Ð¡Ìâ5¡¿¡¡If¡¡you¡¡get¡¡chemicals¡¡on¡¡the¡¡clothing,¡¡you¡¡can¡¡find¡¡ways¡¡to¡¡solve¡¡it¡¡in¡¡the¡¡part¡¡_____.
A£®Before¡¡the¡¡Experiment
B£®First¡¡Aid
C£®During¡¡the¡¡Experiment
D£®After¡¡the¡¡Experiment
²é¿´Ï°ÌâÏêÇéºÍ´ð°¸>>
 Laboratory¡¡work¡¡is¡¡your¡¡chance¡¡to¡¡learn¡¡science¡¡firsthand.¡¡It¡¡can¡¡be¡¡fun¡¡but¡¡you¡¡must¡¡be¡¡careful¡¡to¡¡prevent¡¡injury.¡¡Listen¡¡closely¡¡when¡¡your¡¡teacher¡¡reads¡¡and¡¡explains¡¡the¡¡rules¡¡before¡¡your¡¡first¡¡lab¡¡lesson.
LABORATORYRULES
Throughout¡¡the¡¡lesson
¡¤Do¡¡not¡¡enter¡¡the¡¡science¡¡lab¡¡without¡¡the¡¡teacher¡¯s¡¡permission.¡¤No¡¡food¡¡or¡¡drinks¡¡are¡¡to¡¡be¡¡alowed¡¡in¡¡the¡¡science¡¡lab.
Before¡¡the¡¡Experiment
¡¤Read¡¡al¡¡instructions¡¡carefuly¡¡before¡¡every¡¡experiment.
¡¤Prepare¡¡al¡¡apparatus£¨ÒÇÆ÷£©and¡¡arrange¡¡them¡¡so¡¡that¡¡you¡¡wil¡¡not¡¡knock¡¡them¡¡over¡¡while¡¡doing¡¡the¡¡experiment.
During¡¡the¡¡Experiment
¡¤If¡¡you¡¡are¡¡unsure¡¡of¡¡how¡¡to¡¡use¡¡any¡¡apparatus¡¡or¡¡how¡¡to¡¡operate,¡¡ask¡¡your¡¡teacher¡¡for¡¡help.¡¤Never¡¡smel¡¡or¡¡taste¡¡chemicals¡¡unless¡¡your¡¡teacher¡¡gives¡¡permission.
After¡¡the¡¡Experiment
¡¤Wash¡¡al¡¡apparatus¡¡after¡¡use¡¡and¡¡return¡¡them¡¡to¡¡the¡¡places¡¡where¡¡they¡¡were.
¡¤Throw¡¡waste¡¡materials¡¡in¡¡proper¡¡waste¡¡baskets.¡¡¡¡¡¡¡¡First¡¡Aid¡¡¡¡¡¡¡¡
¡¤Report¡¡al¡¡accidents¡¡to¡¡your¡¡teacher¡¡immediately.
¡¤If¡¡you¡¡spil£¨ ½¦ ³ö £©any¡¡chemicals¡¡onto¡¡your¡¡body¡¡or¡¡clothing,¡¡wash¡¡with¡¡plenty¡¡of¡¡water¡¡and¡¡report¡¡to¡¡your¡¡teacher.
СÌâ1:¡¡Your¡¡teacher¡¡wil¡¡probably¡¡tel¡¡you¡¡the¡¡rules¡¡above¡¡_____¡¡the¡¡first¡¡lab¡¡lesson.
A£®beforeB£®sinceC£®duringD£®after
СÌâ2:¡¡Before¡¡every¡¡experiment,¡¡you¡¡should¡¡_____.
A£®taste¡¡the¡¡chemicals¡¡first
B£®clean¡¡al¡¡the¡¡apparatus
C£®read¡¡al¡¡instructions¡¡carefuly
D£®report¡¡al¡¡the¡¡accidents¡¡to¡¡the¡¡teacher
СÌâ3:¡¡When¡¡you¡¡are¡¡not¡¡sure¡¡how¡¡to¡¡use¡¡al¡¡apparatus,¡¡_____.
A.¡¡try¡¡them¡¡on¡¡your¡¡own
B.¡¡read¡¡the¡¡rules¡¡carefuly
C.¡¡ask¡¡your¡¡teacher¡¡for¡¡help
d.¡¡put¡¡them¡¡back
СÌâ4:¡¡It¡¡is¡¡clear¡¡that¡¡you¡¡can¡¡_____.
A£®bring¡¡food¡¡into¡¡the¡¡lab
B£®enter¡¡the¡¡lab¡¡anytime
C£®smel¡¡chemicals¡¡as¡¡you¡¡like
D£®learn¡¡science¡¡directly¡¡in¡¡the¡¡lab
СÌâ5:¡¡If¡¡you¡¡get¡¡chemicals¡¡on¡¡the¡¡clothing,¡¡you¡¡can¡¡find¡¡ways¡¡to¡¡solve¡¡it¡¡in¡¡the¡¡part¡¡_____.
A£®Before¡¡the¡¡Experiment
B£®First¡¡Aid
C£®During¡¡the¡¡Experiment
D£®After¡¡the¡¡Experiment
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ÔĶÁÀí½â¡£

If you visit(°Ý·Ã)a Chinese family you should knock at the door first£®When the door opens you will not move before the host(Ö÷ÈË)says¡°Come in, please£®¡±After you enter(½øÈë)the room you will not sit down until the host asks you to take a seat£®When a cup of tea is put on a tea table before you, you will say¡°Thank you¡±and receive(½ÓÊÜ)it with your two hands, or(·ñÔò)they will think you aren't polite(ÀñòµÄ)£®Before entering the house in Japan, you should take off your shoes£®In European(Å·ÖÞµÄ) countries, if your shoes become very dirty, this is not done(ºÏºõÀñË×µÄ)£®In a Malay (ÂíÀ´Î÷ÑÇ)house, a guest(¿ÍÈË)never finishes the food on the table£®He leaves a little to show that he has had enough(×ã¹»µÄ)£®In England, a guest always finishes a drink or the food to show that he has enjoyed it£®This will make the host very pleased£®

(1)

In China, before the host says¡°Come in, please,¡±you will not ________

[¡¡¡¡]

A£®

knock at the door

B£®

enter the room

C£®

sit down

D£®

open the door

(2)

When the host gives you a cup of tea, you should ________£®

[¡¡¡¡]

A£®

say¡°I don't want it¡±

B£®

say nothing

C£®

receive it with a hand

D£®

receive it with two hands

(3)

In Japan, you'd better ________ before you enter your host's house£®

[¡¡¡¡]

A£®

take off your coat

B£®

take off your shoes

C£®

say¡°Thank you¡±

D£®

stay outside

(4)

In English, a guest finishes a drink or the food to show that ________

[¡¡¡¡]

A£®

he likes it

B£®

he doesn't like it

C£®

he needs some drink

D£®

he can't have any more

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