I know he was very frustrated when his job application was rejected. I can__________ that.
A. relate with
B. relate in
C. relate upon
D. relate to
查看答案
__________ the word hero was reserved for those who performed acts of distinct courage beyond the call of duty.
A. It used to be that
B. This used to be that
C. That used to be that
D. He used to be that
酶被固定化后,一般稳定性增加。( )
A. 对
B. 错
酶的总活性越高,其纯度就越高。( )
A. 对
B. 错
将文字载入选区的操作应该是在对应的位置按ctrl+鼠标左键。
A. 对
B. 错