9.Four-fifthsoftheworkershere________________workers.
A.iswoman
B.arewoman
C.arewomen
D.iswomen
10.Noonebutherparents________it.
A.know
B.knows
C.isknowing
D.areknowing
11.Therestofthespellingexercises_______asyourhomework.
A.istobedone
B.aretodo
C.aretobedone
D.willdo
12.Therestofthefood________intherefrigerator.
A.istokeep
B.aretokeep
C.aretobekept
D.istobekept
ANSWERS:B,D,A,C,C,B,A,C,C,B,C,D.
二:将括号内的词变为适当形式。
1.Thesatellite______inarocket.
2.Theroof_____undertheweightofthesnow.
3.Weshouldavoid_____whatwethinkaboutpeopledifferentfromourselves.
4.Themost_____evidenceofblackholescomesfromresearchintobinarystarssystem.
5.Thereisagreatdealof____abouthisretirementfromactivepolitics.
Answers:waslaunched,collapsed,deciding,convincing,speculation
三:汉译英
1黑洞有很强的引力,但它没有物质。
2.如果我们认识了黑洞,它就不那么可怕了。
3.由于管理不善,他的公司垮台了。
4.他的身影消失在黑暗中了。
5.药物开始见效了吗?
Answers:
1.Ablackholeexertsastronggravitationalpullandyetithasnomatter.
2.Ifweunderstoodblackholes,theywouldn‘tbesodreadfultous.
3.Hiscompanycollapsedasaresultofpoormanagement.
4.Hisfigurewasswallowedupinthedark.
5.Hasthemedicinestartedtooperate?
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