周某被某公安分局治安拘留10天、罚款200元，经上级公安机关复议维持后，周某向区法院

根据语境，用恰当的语言完成对话。

（The entrance exam for secondary school (中考)is over. Now Lanlan is talking to Kangkang. )

Lanlan＝L      Kangkang=K

K:Hi, Lanlan,小题1:_______________________________________?

L:I want to be a guide when I’m older. .

K: Guide? I think it’s a hard job.小题2:                              ? .

L:Because I hope to travel around the world.小题3:______________________?

K:I can’t decide now, but I prefer to be an English teacher in the future if possible.

L:Sounds great! I guess our English teacher must support your idea .

K:Yes.小题4:_____________________. During the three years, she is always strict in her work and treats us as her children. She influences me greatly.

L: I hope your dream can come true some day.

K:小题5:___________________________. We can travel with you for vacation

我国科学家研制出一种催化剂，能在室温下高效催化空气中甲醛的氧化，其反应如下：HCHO＋O₂CO₂＋H₂O。下列有关说法正确的是(　　)

A．该反应为吸热反应

B．CO₂分子中的化学键为非极性键

C．HCHO分子中既含σ键又含π键

D．每生成1.8 g H₂O消耗2.24 L O₂

Word中在文档里查找指定单词或短语的功能是______。

A．搜索

B．局部

C．查找

D．替换

HBV感染进人后期与传染减低的指标是

A．HBsAg(+)
B．抗-HBs(+)
C．HBeAg(+)
D．抗-HBc(+)
E．抗-HBe(+)

亏损、盈余原因分析