皮皮学，免费搜题
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【单选题】
I'm looking for my bike. If you have any ideas _____ it might be, please call me.A.
where
B.
what
C.
when
D.
how
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】下列说法正确的是（ ）
A.
在Rt△ABC中，若tanA= 3 4 ，则a=3，b=4
B.
在△ABC中，若a=3，b=4，则tanA=15
C.
在Rt△ABC中，∠C=90°，则sin 2 A+sin 2 B=1
D.
tan75°=tan（45°+30°）=tan45°+tan30°=1+ 3 3
【简答题】Choose the right answers. A. that would suit your purpose very well B. Although costs have been rising since March C. enclose a copy of our latest illustrated catalogue and current price list D. We th...
【多选题】I ____ an illustrated supplement to our catalogue covering the latest designs which are now available from stock.
A.
enclosure
B.
exclusive
C.
enclose
D.
exclude
【单选题】I ____ an illustrated supplement to our catalogue covering the latest designs which are now available from stock.
A.
enclosure
B.
exclusive
C.
enclose
D.
exclude
【单选题】一摩托车以36km/h的 速率在地面上行驶。其轮胎与地面间的摩擦系数 为0.3 。则 摩托车在转弯时轨道的最小曲率半径为( )m。
A.
17
B.
34
C.
68
D.
136
【单选题】We are enclosing our ______ catalogue, price list giving the details you ask for.
A.
an illustrate
B.
illustrated
C.
illustrate
D.
illustrating
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