单选题：It is so urgent that you have to start immediately.

题目内容：

It is so urgent that you have to start immediately. A．lastly
B．shortly
C．recently
D．presently

参考答案：

答案解析：

The largest warming effects happened in the Northern Hemisph

The largest warming effects happened in the Northern Hemisphere withA．X sea ice

分类：理工类题型：单选题

The blood of each women was tested once a month during pregnancy.A．Right B．Wrong

分类：理工类题型：单选题

Nonsmoking mothers were selected because the effect of smoking on PAHs was uncle

分类：理工类题型：单选题

He tried to assemble his thoughts.A．gather B．clear C．share D．spare

分类：理工类题型：单选题

下列诗句运用了比兴手法的是（　　）A．桑之落矣，其黄而陨。 B．乘彼垝垣，以望复关。 C．淇水汤汤，渐车帷裳。 D．夙兴夜寐，靡有朝矣。

分类：理工类题型：单选题