起居室是人们日间的主要活动场所,平面布置应按会客、娱乐、学习等功能进行区域划分
参考答案:错
Although anyone can do it, storm chasing is extremely dangerous. The power of a big storm 31 throw a cow into the air 32 destroy a whole house in seconds. Storm chasers are also often hurt in accidents 33 (cause) by driving in 34 heavy rain. If you are a 35 (begin), it is much safer to join a group for storm-chasing vacations 36____________ the storm season.
However, for storm chasers, it is all worth it . “37 you get 38 (close)to a storm, it is the most 39 (excite) sight you will 40 see in your life,” says Jasper Morley. “Every storm is an example of the power of nature. It is the greatest show on Earth.”
根据杂质含量的不同,工业纯铜可分为()。
A.2种
B.3种
C.4种
D.5种