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【单选题】
在无调节情况下，平行光线进入眼内聚焦于视网膜之后，形成焦点称为（）A.
弱视
B.
近视
C.
远视
D.
散光
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【单选题】听力原文：F: Here's some coffee. M: Oh, fantastic. Well, is there any sugar? What does the man want?
A.
Ice cream.
B.
Sugar.
C.
Wine.
【单选题】听力原文：W: It is said that there are some check authorization systems currently in use. M: But they are cumbersome relative to the computerized credit card validation systems. Q: What does the man think ...
A.
They are convenient.
B.
They are advanced in technology.
C.
They are cumbersome.
D.
They are computerized.
【多选题】假定市场上某种商品最多的成交价格为每公斤4.60元,则每公斤4.60元( )。
A.
可用来代表这种商品的一般价格水平
B.
是平均指标
C.
是中位数
D.
是众数
E.
是调和平均数
【单选题】听力原文：M: What was the party like last night, Jane? W: Really Fantastic l There are some interesting people there, and we have had a good time together. Why couldn't you come? M: Well, I had to work ove...
A.
He didn't like the host.
B.
He was not invited.
C.
He has another appointment.
D.
He had a headache after work.
【单选题】— Wha t’ s ____ your class roo m ? — There are some big trees.
A.
in front of
B.
in the front of
C.
in front
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