人的神经系统由什么组成（ ） A．神经细胞和神经胶质细胞 B．神经细胞的细胞体和

小题1:Although David is only 2 years old, he can learn to sing the song by_______ (he).

小题2:I'm doing a survey about how __________ (improve) English quickly.

小题3:My daughter likes collecting. She has collected all kinds of ___________ (knife).

小题4:I think there will be ____________ pollution in the future if we plant more trees now. ( little )

小题5:He did his homework so __________ that he made few mistakes. ( careful )

根据语境或句意，从方框中选择恰当的词并用其正确的形式填空，使句子意思正确完整，并将答案填入答题卡上指定的位置。

小题6:"Would you mind _______ the dishes?" "OK. I'll do them right away."

小题7: Henry gets on well with everyone in our class. He's always _________    to all of us.

小题8:Martin was_    in Chinese history after he came to China and he read a lot about it.

小题9:Teenagers are not _________ to smoke because smoking is bad for their health.

小题10:_________ of children like watching the TV show Where Are We Going ,Dad? It's really fantastic.

社会法是调整劳动关系、社会保障、社会福利和特殊群体权益保障等方面的法律规范，通过国家和社会积极履行责任，对劳动者、失业者、丧失劳动能力的人以及其他需要扶助的特殊人群的权益提供必要的保障，维护社会公平，促进社会和谐。社会法遵循的原则有

A．公平和谐原则

B．职权法定原则

C．国家适度干预原则

D．程序法定原则

一个长方形和一个正方形周长相等，长方形的长是9分米，宽是5分米，这个正方形的边长的多少分米？

常用钻床有哪几种其共同特点是什么

男性，29岁，船民，不规则发热1周，持续高热5天，伴腹痛，腹泻每日2～4次，黏液便，于7月中旬住院。体检：体温39.8℃，神志清，反应稍迟钝，心率88次／min，肝脾肋下均可扪及2cm，质软。化验：WBC3.3×10⁹／L，N0.59（59%），L0.38（38%），M0.03（3%），大便光镜检WBC2～4／HP，拟诊伤寒。

诊断伤寒，肥达反应有参考意义韵抗体效价标准是（）

A.“O”≥1∶80，“H”≥1∶160

B.“O”≥1∶160，“H”≥1∶80

C.“O”≥1∶80，“H”≥1∶320

D.“O”≥1∶80，“H”≥1∶80

E.“O”≥1∶320，“H”≥1∶320