他不知道她为什么在练习中有这么多的错误。

问答题过马路时要小心。

单项选择题2（）

A.so 
B.such 
C.very 
D.too

单项选择题Jeanne Calment owes her good health and long life to（）

A. smoking only a little every day
B. her giving up smoking and drinking
C. drinking two glasses of strong red wine every day
D. the good genes from her parents, a healthy diet and some exercises

单项选择题From the text we can infer that（）led to the sinking of the submarine Kursk.

A. a small fighting with another foreign submarine
B. an explosion inside the submarine Kursk
C. a great collision inside the submarine Kursk
D. an attack from another foreign submarine

单项选择题In the passage, the writer talks about the problem that（）

A. some people are too easy-going
B. some people are too timid
C. there are too many superiors around us
D. some people dare not stick up for their own rights