下列对长度与质量的估测中，最接近实际的是 A．吃饭筷子的长度约为0.5m B．一

阅读理解。

     Monday…oh, I don't like Monday because I'll have to go back to school again after the weekend.

Tuesday is not so bad. I usually play tennis with my friends after school. On Wednesday evening I

don't go out. I stay at home and do my homework. I like Thursday because the next day is Friday.

I always go out on Friday-maybe to the cinema. I love the weekend. On Saturdays I get up late,

and I sometimes go to the shops in the afternoon. In the evening we go to a club. Then on Sundays

I go to my friend's house or she comes to mine. I usually visit my grandmother for an hour in the

afternoon. Then the weekend is over and it's Monday…and I feel bad again!

1. I don't like Monday because            .

A. Monday is the first day of a week      

B. I just spend a happy weekend

C. Monday is the first school day of a week  

D. I will have many lessons on Monday

2. Tuesday is not so bad because            .

A. I can play tennis with my friends  

B. I have no homework to do

C. I have a P.E. class  

D. I'm free

3. I can go to the cinema on            .

A. Monday  

B. Tuesday  

C. Wednesday  

D. Friday

4. Which one is true?

A. I get up late on Monday.  

B. I visit my grandmother on Saturday.

C. I play tennis on Sunday.        

D. I do some shopping at weekends.

5. From the text, we know that the writer            .

A. doesn't like school        

B. likes to stay at home

C. only likes Friday  

D. only likes Saturday

某原电池装置如图所示。下列有关叙述中，正确的是

A．Fe作正极，发生氧化反应

B．负极反应：2H⁺+2e^-=H₂↑

C．工作一段时间后，两烧杯中溶液pH均不变

D．作一段时间后，NaCl溶液中c(Cl^-)增大

有关烧伤患者营养检测，下列说法不确切的是（）。

A.实际体重较伤前下降超过100%～15%表示营养摄入不足

B.估计烧伤早期瘦体组织时常测量上臂肌周径

C.肌酐／身高指数可用以评价瘦体组织

D.尿三甲基组氨酸可反映骨骼肌蛋白分解情况

E.淋巴细胞计数可用于营养测定

下列哪种情况下保卫细胞关闭（）

A、光合作用旺盛时

B、呼吸作用旺盛时

C、夏日暴晒的中午

D、萎蔫植物吸足水后

下列关于仲裁的特点，说法不正确的是( )。

A．仲裁具有自愿性
B．仲裁具有灵活性
C．仲裁一般都公开审理
D．仲裁实行一裁终局制