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】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】Wewon’tallowanyforeigncountryto_______inourinternalaffairs.
选项：
A.devote
B.district
C.interfere
D.wander
答案：
解析：
1、【题目】The_______workcontinuedformorethanaweekbuttherewasstillnosignofthemissingboy.
选项：
A.research
B.rescue
C.vessel
D.vast
答案：
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】Severalloudspeakersare_______fromtheceilingandwecanhearthespeakerveryclearly.
选项：
A.connected
B.sustained
C.associated
D.suspended
答案：
解析：
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