I caught ______ sight of her hurrying away but I didn't try to speak to her.

　 A.　 a　　　 B. an　　 C. 不填　　 D. the

When you do exercises, your heart works better. It is able to______ more blood while beating more slowly.

A. produce　　　 B. pump　　　　　　 C. increase　　　　 D. bump

I will always remember those days ______ I spent with him sailing on the sea.

A. on that　　 B. on which　　 C. when　　　　　 D. which

She is not aware of the__________ __________ __________(她起到的作用)in the cause of their__________ __________ (决裂).?

You should keep ____ in mind that you must be careful when crossing the road.

A. that　　 B. which　　 C. what　　 D. it

Limited natural resources should be made full use of__________the__________need of energy.

A.meeting;increasing?

B.to meet;increased?

C.meeting;increased?

D.to meet;increasing?

哥白尼1543年临终才出版了他的理论。

Copernicus published his theory as he _________ __________ in 1543.

Many companies in Guangdong are facing a serious labor _____ following the Rabbit Year’s Spring Festival. 【吉林省长春市2011届高三第二次模拟考试（东北三省四市联合调研）】【名词】