下列哪项活动不属于主要的社会实践活动？（）。A．军事训练 B．专业实习 C．生产劳动

Pay attention to; be good for; take place; from now on; out of tbreath;  be bad for;  chat with;  no longer;  write an email to;  be proud of;

小题1:There days I hadly have time____________________my friends  on the Internet.

小题2:Thank for your help,more and more pupils can enjoy free lunch at school______________________.

小题3:Li Na has won the tennis champion in France,we____________her.

小题4:Tom asked his mother what to_______when he cooked fish.

小题5:Don’t eat a lot of sweet food.It will_________your health.

小题6:You must_________________your spelling and writing.

小题7:---Our city is becoming more and more beautiful.

----Yes,great changes___________since 2008.

小题8:You’re_________a child.You should learn to stand on your own feet.

小题9:While Sandy was listening to music,Max_____his friend online.

小题10:After running two miles in ten minutes,Millie arrived at the cinema_____.

某公司计划从美国进口种牛，须向检验检疫机构申请办理检疫审批，并交纳检疫审批费。 ( )

女性患者，23岁，患右上肺结核并空洞，曾用过INH0.3S/d，RFP 0.4g/d，EMB 0.75g/d，治疗3个月后症状消失，即停药。1年后出现低热，复查胸片病情恶化。本例治疗失败的主要原因是()

A．化疗方案不合理

B．机体免疫力太差

C．未规律用药

D．停药过早

E．细菌耐药

化学腐蚀是造成套管损坏的原因之一，下面物质中（）不会对套管产生腐蚀作用。

A、CO₂

B、Cl^-

C、H₂S

D、CH₄