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【单选题】
What can be inferred from paragraph 1?A．Coral first evolved more than 500,000 years ago.##A.
What can be inferred from paragraph 1? A．Coral first evolved more than 500,000 years ago.
B.
Scientists are only interested in things both ancient and large.
C.
Coral is a type of colorful rock that attracts fish.
D.
No type of coral ever builds a colony more than a meter hig
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【简答题】请画出巴比妥类镇静催眠药物结构中五位碳必须()才有活性。微溶或极微溶于水,其钠盐()溶于水
【单选题】— I can find few children in the classroom . Where are they ? — They the World Cup Football Games on TV in the hall .
A.
watch
B.
have watched
C.
watching
D.
are watching
【单选题】Though they were in the mountain area,they were well about the world by watching TV. [ ]
A.
told
B.
said
C.
spoken
D.
informed
【单选题】They TV in the evening. They do their homework.
A.
are watching
B.
can’t watching
C.
don’t watching
D.
don’t watch
【单选题】They () TV in the evening. They do their homework.
A.
are watching
B.
can’t watching
C.
don’t watch
D.
don’t watching
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