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【单选题】
若薄透镜置于空气中并且大于零， 下列说法正确的是A.
透镜为会聚型的
B.
透镜为发散型的
C.
是会聚型还是发散型，与物所处的位置有关
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】Which pattern can match Chinese mobile phone number()?
A.
var pattern = /0?(13|14|15|18|19)[0-9]{9}/;
B.
var pattern = /[0-9-()（）]{7,18}/;
C.
var pattern = /[1-9]([0-9]{5,11})/;
D.
var pattern = /-?[1-9]\d*/;
【单选题】Which method depends on a figure measurement to finish the paper pattern?
A.
pattern drafting
B.
pattern draping
【简答题】小题1:After 8 hours’ hard work, all the workers were hungry and _________（口渴）. 小题2:Don’t forget to take your __________ (雨伞) with you. It’s going to rain this afternoon. 小题3:—How much is the shirt on yo...
【单选题】Which pattern is not considered a consolidation pattern?
A.
Diamond formation.
B.
Descending triangle.
C.
Rounding bottom.
D.
V-Top.
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