皮皮学，免费搜题
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【单选题】
鲜精输精活率要求是( )。A.
0.6 级以上
B.
0.7-0.8 级以上
C.
0.3 级以上
D.
0.8 级以上
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【简答题】叠装陈列,要求层板上每叠服装的高度一致,为了方便顾客取放,每叠的上方一般至少要留有( )的空间。
【单选题】You didn't eat enough at lunch,did you?
A.
-_____.You see, I'm hungry now.
B.
yes,I did
C.
yes I was
D.
No I didn't
E.
No I wasn't
【单选题】________ at the cafeteria before, Tina didn’t want to eat there again.
A.
Having eaten
B.
To eat
C.
Eat
D.
Eating