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【简答题】
克隆羊“多利”的培育图所示，请看图后回答： （1）“多利”羊的性别是_________； （2）“多利”的培育从生殖方式来说属于___________生殖； （3）本实验证明了生物的遗传物质主要存在于 中。
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【单选题】The professor spoke so fast during the lecture that we couldn’t _____ what he said.
A.
turn out
B.
make out
C.
carry out
D.
leave
【单选题】He said that he was young ______ he couldn’t carry the heavy box.
A.
and
B.
that
C.
and that
D.
in order that
【单选题】Escaping from the Earth The Earth has a force that pulls things toward itself. We call this force gravity(地心引力). This is something we live with all the time, and we take it for granted and hardly ever...
A.
To travel as fast as it can.
B.
To overcome the Earth gravity.
C.
To get away from the air resistance.
D.
To have strong power in its operation.
【简答题】护栏高度、（）、安装位置必须符合设计要求，护栏安装必须牢固
【简答题】He couldn’t carry a (L7) _____________ briefcase or walk a route, they said.
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