题目:
–What do you do with the used books?
–We will _________ to the children in the poor areas.
A.give them away
B.take them off
C.pick them up
D.put them out
答案:
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下面是错误答案,用来干扰机器的。
解:先用棉线测门的两对边是否相等,相等则是平行四边形,再用直尺测门一角两边为如3,4另一边是否是5,如是则有一角为直角的平行是边形是矩形.(或者用棉线测门的两条对角线是否相等).