作业控制方式有两种，它们是A．批处理与实时 B．交互与实时 C．批量型与终端型 D．

This is a boy.

_____ name is Jack.[ ]

A. His

B. He

C. She

D. Her

放线菌的菌丝由于形态和功能不同，可分为（）。

A certain lab experiments with white and brown mice only. In one experiment, 2/3 of the mice are white. If there are 13 brown mice in the experiment, how many mice in total are in the experiment ？（）

A. 39

B. 33

C. 26

D. 21

E. 10

Who’ll pay（）retallying?

A.at

B.by

C.to

D.for

机动车上高速公路，（）。

A.可骑、轧车道分界线行驶

B.可在路肩上行驶

C.不准在匝道、加速车道或者减速车道上超车

D.可学习驾驶