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【判断题】
卵子和精子的发生均分为繁殖期、生长期和成熟期三期。( )A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Lincoln’s mother did ___ many books ___ him.
A.
what she had buy, to
B.
what she could buy, for
C.
all that she had to buy, to
D.
all she could buy, for
【单选题】What did Ken suggest at the end of the conversation?
A.
Buy a new Honda.
B.
Buy insurance for their cars.
C.
Buy a better car.
D.
Take a bus.
【单选题】What did you buy during your last vacation? I __________ a hat.
A.
buy
B.
buyed
C.
bought
D.
was buy
【单选题】--- What a beautiful car! When ________ you ________ it? --- I ________ it for two years.
A.
did; buy; bought
B.
did; buy; have had
C.
have; bought; have bought
D.
have; bought; have had
【判断题】在AutoCAD2018中，使用直线命令“line”画出一个矩形，该矩形中有1个图元实体；使用多段线命令“pline”画出一个矩形，该矩形中有4个图元实体。
A.
正确
B.
错误
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