基督教国家见面时一般以握手为礼,交谈中忌讳谈()。
A.经济
B.政治
C.石油
D.国事
参考答案:B
阅读短文,判断下列句子正(T)误(F)。
Hello! My name is Zhou Xin. I'm twelve. This is my bedroom. Let me show you. There is a bed, a closet,
a shelf, a desk, a chair and a computer. The window is in front of the desk. The desk is near the bed. There is
a computer on the desk. My bedroom is small, but it's nice. I love my bedroom. Do you like it?
( ) 1. Zhou Xin is twenty.
( ) 2. There is a window in Zhou Xin's bedroom.
( ) 3. The window is behind the desk.
( ) 4. Zhou Xin's bedroom is big.
( ) 5. Zhou Xin likes her bedroom very much.
简要说明流量计系数的概念及两种检定方法