搜题请搜索小程序“爱下问搜题”
问题 单项选择题

以下哪一个主要缺点，限制了砌体结构在高层建筑中的广泛应用（）

A、耐火及耐久性差

B、保温、隔热和隔声效果差

C、强度低，整体性差

D、自重大，砌筑劳动量大

答案

参考答案：C

填空题
阅读短文,用方框内所给单词的适当形式填空,使短文意思通顺,完整.请将答案写在短文后相应题号的横线上.注意：1.每个单词只能用一次；2.每空限填一词,有些词需要做相应的变化；3.其中有两个多余选项。
succeed，they，work，careful，make，so，happy，close，one，few，either，but
Do you use your right hands more or left hands more? Very___71___of us use both of our hands well. Most people use right hands. Only about five people of a hundred use left hands. New-born babies can take things with__72___of their hands,___73___in about two years, they like to use___74___right hands. Scientists don’t know why this happens. They’ve studied it. They think our animal ancestors used their right hands, this may not be true. Monkeys are our__75___relatives in the animal world.     
Scientists have found that monkeys like to use one of their hands more than the other----but it can be either hand. There are as many right-handed monkeys as the left -handed___76___. Next time you visit the zoo and do watch the monkeys__77__. You’ll see that some of them will use their right hands and others will use their left hands. But men use their right hands better and this ___78___life difficult for the left-handed ones. We live in a right-handed world. Some scientists have found out that more of __79__people are left-handed, but they don’t know why. But they are _80_hard to discover the secret.
小题1:___ 小题2: ____ 小题3: ____小题4: ____ 小题5: _____ 小题6:____小题7: _____小题8: ____小题9: _____小题10:______
查看答案
多项选择题

根据《农村土地承包法》规定，正确的是（）。

A.耕地的承包期为三十年

B.特殊林木的林地承包期，经国务院林业行政主管部门批准可以延长

C.草地的承包期为三十年至六十年

D.草地的承包期为三十年至五十年

E.林地的承包期为三十年至七十年
查看答案