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【单选题】
关于受精的生物学意义描述不正确的是（）A.
标志着新生命的开始
B.
染色体数目的复原
C.
传递双亲的遗传基因
D.
形成合子的过程
E.
决定性别
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举一反三
【单选题】He gave the old couple a lot of money and didn’t expect to receive anything ______for them.
A.
in all
B.
in fact
C.
in return
D.
in short
【单选题】What rare thing did the Walt Disney Company do last autumn?
A.
It planned to build a history theme park in Virginia.
B.
It admitted that their plan to build another park failed.
C.
It bought a big company.
D.
E.
It claimed to be the mirror of American culture.
【单选题】What rare thing did the Walt Disney Company do last autumn?
A.
It planned to build a history theme park in Virginia.
B.
It bought a big company.
C.
It claimed to be the mirror of American culture.
D.
It admitted that their plan to build another park failed.
【单选题】After his father died, his uncle gave him a lot of _______. So he thanks his uncle a lot.
A.
energy
B.
work
C.
support
D.
turn
【单选题】IP protocol is located in the ( ) of TCP/IP architecture.
A.
application layer
B.
transmission layer
C.
internet layer
D.
network access layer
【简答题】A businessman had two sons. While he gave the younger son a lot of love and gifts, he neglected (忽视) the elder son. It was completely puzzling (令人费解) and no one knew why. When the boys grew up, they w...
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