下列叙述错误的是( )
A.钛及钛合金在工业上有广泛的用途
B.铜在潮湿的空气中一般不会生锈
C.铁属于黑色金属,所以纯铁呈黑色
D.汞是金属,它在常温下呈液态
答案:C
阅读短文,然后根据首字母提示填完单词。
Look at the child over there. His n______(1) is Jim Green. He is an English b______(2). He is my new f______(3). M______(4) name is Li Ping.
This is o______(5) school. It’s No. 2 Middle S______(6). My father is a t______(7) at the school. Jim is eleven. I’m twelve. He is in C______(8) Two. We are in the s____ (9) class. We like our school v______(10) much.
肾小球肾炎属于()。
A.化脓性炎
B.纤维素性炎
C.肉芽肿性炎
D.出血性炎
E.增生性炎