1、【题目】Many kinds of animals are believed to have _________from the earth
选项：
A.withdrawn
B.vanished
C.found
D.hung
答案：
B
解析：
暂无解析
1、【题目】Wecannottrusthimanymorebecauseheoften________hisduty.
选项：
A.owes
B.spoils
C.deserts
D.neglects
答案：
解析：
1、【题目】The college students in China are _______ from smoking on campus because this will do them no good.
选项：
A.discouraged
B.observed
C.obeyed
D.obtained
答案：
A
解析：
暂无解析
1、【题目】Several loudspeakers are _______ from the ceiling and we can hear the speaker very clearly.
选项：
A.connected
B.sustained
C.associated
D.suspended
答案：
D
解析：
暂无解析
1、【题目】This river is so big that it is impossible to build a _______under it without modern technology.
选项：
A.canal
B.tunnel
C.channel
D.cable
答案：
B
解析：
暂无解析
1、【题目】He always has a lot of _______ ideas in his mind , and sometimes we do not even know what he is thinding about.
选项：
A.novel
B.novel
C.acceptable
D.additional
答案：
A
解析：
暂无解析
1、【题目】When making modern cameras , people began to_______ plastics for metal.
选项：
A.surround
B.substance
C.stretch
D.substitute
答案：
D
解析：
暂无解析
1、【题目】Sometimesitisverydifficultto_______someoftheEnglishwords.Eventhenativespeakercannothelp.
选项：
A.decrease
B.create
C.define
D.delight
答案：
解析：
1、【题目】Thisriverissobigthatitisimpossibletobuilda_______underitwithoutmoderntechnology.
选项：
A.canal
B.tunnel
C.channel
D.cable
答案：
解析：
1、【题目】Both sugar and salt can ______in water.
选项：
A.desert
B.absorb
C.dissolve
D.involve
答案：
C
解析：
暂无解析
1、【题目】Pleasebeserious.Iamnot_______.Youshouldconsideritcarefully
选项：
A.sorting
B.joking
C.counting
D.comparing
答案：
解析：
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