简述CO2焊喷嘴与工件间的距离（焊丝伸出长度）对焊接过程的影响。

I think that no one wants to ____. [ ]

A. make fun of

B. be made fun

C. be made fun of

D. be made fun of others

急性肾衰竭少尿期日补液量应等于

A．尿量

B．显性失水量

C．显性失水量+不显性失水量+内生水

D．显性失水量+不显性失水量-内生水

E．显性失水量+不显性失水量

下图漫画《看你往哪儿逃》表明我国公民在行使的政治权利是（             ）

A．言论自由权

B．民主评议权

C．选举权

D．监督权

Written in a hurry,(). How can it be satisfactory

A. they found many mistakes in the report

B. Sam made lots of mistakes in the report

C. there are plenty of mistakes in the report

D. the report is full Of mistakes

苏叶、苏梗、苏子并开为

A．二甲
B．砂蔻皮
C．乳没
D，棱术E．全紫苏