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.
【小题1】　Your　teacher　wil　probably　tel　you　the　rules　above　_____　the　first　lab　lesson.

A．taste　the　chemicals　first

B．clean　al　the　apparatus

C．read　al　instructions　carefuly

D．report　al　the　accidents　to　the　teacher

A．bring　food　into　the　lab
B．enter　the　lab　anytime
C．smel　chemicals　as　you　like	D．learn　science　directly　in　the　lab

A．Before　the　Experiment

B．First　Aid

C．During　the　Experiment

D．After　the　Experiment

-　Can　I　join　you？

    -　Sure,　we　are　talking　about　_____.

    A.　when　shal　we　go　to　the　movie

    B.　how　can　we　go　there

    C.　who　should　we　go　with

    D.　why　we　like　the　movie

阅读短文，在其后空白处写出各单词的正确形式。单词的第一个字母已经给出。

    The　worst　traveler　in　the　world　was　Paul　of　San　Francisco.　Once　he　f____1.　from　the　U.S.　to　his　hometown　in　Italy　to　see　someone　at　home.　The　plane　made　a　one-hour　stop　to　get　oil　at　an　airport　in　New　York.　Paul　thought　he　was　in　Rome.　C____2.,　he　got　off　the　plane.

    When　nobody　was　there　to　meet　him,　Paul　thought　maybe　the　heavy　t____3.　made　his　friends　late.　While　looking　for　their　address,　Paul　found　that　the　old　“Rome”had　changed　a　lot.　He　found　many　high　m____4.　buildings　instead　of　old　ones.　He　also　found　that　many　people　spoke　English　but　not　Italian　and　that　many　street　signs　were　w____ 5.　in　English.

    Paul　knew　very　l____6.　English.　So　he　asked　a　policeman　in　Italian　the　way　to　the　bus　station.　He　happened　to　meet　a　policeman　who　was　also　born　in　Italy　and　answered　in　the　same　l____7..

    After　twelve　hours’ traveling　round　on　a　bus,　the　driver　handed　him　over　to　a____8.　policeman.　But　this　time,　this　policeman　could　only　speak　English.　So　paul　asked　the　policeman　why　the　Rome　police　employed（雇佣）so　many　people　who　spoke　English　as　policemen.

    Paul　didn’t　b____9.　he　was　in　New　York　when　he　was　told　so.　To　get　him　on　a　plane　to　Italy,　he　was　s____10.　to　the　airport　in　a　police　car.