如图所示双代号网络图，工作D的紧前工作有（）。A.只有工作AB.只有工作CC.工作A

It is usually unnecessary，and indeed often impossible，______every printed clause．

A.to give rise to

B.giving give rise to

C.given give full effect to

D.to give full effect to

(I’ll Never Escape the Ghetto) The Watts riots give rise to a flourishing of ghetto literature and art.()

Many people have weight loss surgery possibly because overweight may give rise to death.

A．Y

B．N

C．NG

The increase in the number of cars may give rise to air pollution.

A．invent

B．cause

C．lead

D．decrease

The three types of questions that give rise to persuasive speeches are ()

A.Questions of opinion, fact, and policy

B.Questions of opinion, attitude and value

C.Questions of fact, value and policy

D.Questions of problem, cause and solution

Global warming may also give rise to the spread of many infectious diseases.

A．Right

B．Wrong

C．Not mentioned