出错者若处事果断，仍可意外取得成功；才干出众者若优柔寡断，必然屡屡失误。

问答题这小孩太调皮，使得他那忙于工作的父母常常心烦意乱。

单项选择题What do we learn from the passage about solar wind activity（）

A. It affects the growth of trees.
B. It has been increasing since the Ice Age.
C. It is determined by the chemicals in the air.
D. It follows a certain cycle.

单项选择题According to the passage,（） is a necessary part to stop you from putting in weight.

A. vegetables
B. water
C. salad
D. taking exercise

单项选择题The underlined phrase throw off probably means（）.

A. give away
B. cast
C. send for
D. get rid of

问答题那就让这事再骗他们一会儿吧，无论怎样骗他们都不算过分。