【单选题】The teachers often tell us _________ in the river. It’s dangerous. A. not swim B. don’t swim C. not swimming D. not to swim
【简答题】中兴SDH设备主要功能模块有: 、 、 、 和主控单元。
【单选题】What's the main reason for big cities to build their own recycling plants?
A.
To deal with wastes in a better way.
B.
To protect the environment from pollution.
C.
To get raw materials locally.
D.
To get big profits from those plants.
【判断题】汽车起动机的导线很粗,是起动机工作电流很大。
【单选题】药物主要经 排泄,有的也经胆管、乳腺、汗腺、唾液腺等排泄。
【单选题】The boys don’t know ___________.
【单选题】What's the main reason for big cities to build their own recycling plants?
A.
To deal with waste in a better way.
B.
To protect the environment from pollution.
C.
To get raw materials locally.
D.
To get big profits from those plants.