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（仪器）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（ 溅 出 ）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

Working parents feel that they are not giving their children enough care. They think that their children feel　1　and　2　 to spend more time with them.

Scientists in some colleges have found that working parents believed that they knew　3　 their children, but 　4 had ever asked their children what they thought. So scientists interviewed (采访) over 1,000 children of working mothers or fathers to　5　 what they wanted. They asked the children　6　they wanted their parents to stay　　7　 and some　8　questions．After they collected the answers, it was   9  that only 10% of the children in their study said that they wanted more time with their parents. _10_, the children who were interviewed said they wanted their parents to give more   11 to them. They said that their parents were as   12  as a bee. When they were asked about what they 13   most, a large number of the children said that they wanted to feel important and   14 .

So parents should know what their children really want and how to get along  15  with them.

1.                A．tired           B．afraid          C．unhappy  D．worried

2.                A．think           B．let             C．ask  D．want

3.                A．of　　         B．at　　　　      C．about    D．over

4.                A．every one       B．someone        C．anyone   D．no one

5.                A．try out         B．find out         C．take out  D．put out

6.                A．whether        B．why            C．when D．how

7.                A．behind         B．at home        C．away D．up

8.                A．other          B．others          C．the other D．the others

9.                A．surprising       B．important       C．necessary D．useful

10.               A．But            B．Also           C．However  D．too

11.               A．food           B．care           C．money    D．practice

12.               A．small          B．young          C．lazy  D．busy

13.               A．talked          B．learned        C．needed   D．studied

14.               A．loved          B．hated          C．complained D．troubled

15.               A．good          B．nice           C．fine  D．well

动物是人类的朋友，请根据提示用英语写一篇60词左右的短文，描述你最喜欢的一种动物， 它有什么特点？你为什么喜欢它？

　提示：

We like playing balls _______ basketball, football and tennis.

A. with　　　　    B. like　　　    C. in           D. of