下列哪一项不是金属式应变计的主要缺点（）。A.非线性明显 B.输出信号微弱 C.抗干

阅读理解。

     My name is Jim. My favorite day is October l8th, because it's my birthday. I am very happy on that day.

I eat eggs for breakfast. Then my friends come to my home and play with me. We sing and dance. Someone

plays the piano and someone plays the guitar. Lunch is very nice. After lunch, my parents take me to see a

movie. My favorite movies are comedies and action movies. After supper, my parents, my sister and I watch

TV. Then I go to bed at ten thirty. I don't do my homework on that day. I am very tired but happy on my

birthday.

1. Jim's birthday is _____. [ ]

A. October 8

B. October 18

C. December 8th

D. December 18th

2. Jim's favorite movies are _____. [ ]

A. comedies

B. action movies

C. thrillers

D. A and B

3. Jim goes to bed at _____.[ ]

A. 10:30

B. 10:13

C. 10:00

D. 3:10

4. Does Jim do his homework on his birthday? [ ]

A. Yes, he does.

B. No, he doesn't.

C. No, he isn't.

D. I don't know.

5. How is Jim on his birthday? [ ]

A. Tired.

B. Happy but not tired.

C. Tired but happy.

D. Happy.

ΔABC的三边长分别为6、8、10，则其内切圆和外接圆的半径分别是          ．

某三层端部墙窗洞处立面如题图所示，窗洞宽1.20m，外纵墙上搁置长向板，板底距离上皮0.72m，板上有女儿墙。若外纵墙墙厚370mm(墙面自重标准值为7.78kN/m²)，已知传至+10.72m标高处的荷载设计值为31.3kN/m。采用MU10砖，M5混合砂浆。

若过梁采用砖砌过梁，则其弯曲抗拉及抗剪承载力与（）项数值最为接近。

A．M=7.36kN·m，V=19.54kN

B．M=5.89kN·m，V=16.7kN

C．M=6.85kN·m，V=17.5kN

D．M=9.51kN·m，V=26.5kN

市场经济条件下，（）的观念不符合爱岗敬业的要求。

A、树立职业理想

B、多转行多受锻炼

C、干一行爱一行

D、强化职业责任

制粉系统气氛惰化方式有哪些？