问题 单项选择题

雄黄的主要成分是()

A.二硫化铁

B.硫化汞

C.硫化砷

D.三氧化二砷

E.含水硫酸钙

答案

参考答案:C

改错题

短文改错(共10小题;每小题1.5分,满分15分)

此题要求改正所给短文中的错误。对标有题号的第一行作出判断:如无错误,在答题卡相应的的位置上画一个勾(√);如有错误(每行只有一个错误),则按下列情况改正:

此行多一个词:把多余的词在答题卡相应的位置上用斜线(\)划掉。

此行缺一个词:在答题卡相应的位置上写出该加的词,

此行错一个词:在答题卡相应的位置上写出改正后的词。

注意:原行没有错的不要改。

It’s a story happened five years ago. Li Hua, who lived in the    小题1:                  

city, came to visit her uncle in our village. She and I became    小题2:                 

good friend. One day, I went to her uncle’s to do homework        小题3:                 

with her. But she wasn’t in. I found beautiful clock on her bed.    小题4:                  

I became very curiously and took it to have a look. Since I          小题5:                   

have never seen a clock before, I touched it here and there.          小题6:                     

But suddenly, I found the clock wasn’t working. I felt worrying   小题7:                  

and wanted to run. But I didn’t. Later that day, I told Li Hua   小题8:                 

I had broken her clock. She smiled, said her little cousin had    小题9:                

dropped it onto the ground this morning and it had stopped working since then.小题10:                

单项选择题