等级资料两样本比较的秩和检验中，如相同秩次过多，应计算校正μ值，校正结果使（） A.

I am a school boy. My name is Li Ming. I am fourteen . I’m in Class Two, Grade One. I have a brother. My brother’s name is Li Tao. He’s seventeen . He’s in Class One, Grade Three.

My brother and I are at school. We like our school. My parents are teachers. They work hard. My brother and I study at No. 8 Middle School . There are sixteen girls and twenty--two boys in my class.

We go to school from Monday to Friday. We have no classes on weekends. I usually get up at six

o’clock . I have breakfast at 6:00. I come to school at seven o’clock. Classes start at eight. We have lessons in the morning and two in the afternoon . I have lunch at 11:40 . At three thirty ,we have sports.

We study Chinese, English, math , history, biology, music and art. We like Chinese and English because they are very interesting.

I go home at five o’clock . I eat dinner at six. I do my homework at seven every evening. I do it for two hours . I go to bed at nine thirty.

小题1:My brother is        and I am        .

A．a worker, a student

B．a student, a worker

C．seventeen , fourteen

D．fourteen seventeen小题2:I have         at eleven forty .

A．breakfast

B．lunch

C．dinner

D．supper小题3:There are        students in my class.

A．22

B．36

C．38

D．40小题4:I do my homework from        to         every evening.

A．seven , eight

B．six, eight

C．seven , nine

D．six, eight小题5:Do they often have sports in the morning or in the afternoon ?

A．Yes, they do.

B．No , they don' t.

C．In the morning

D．In the afternoon .

预应力混凝土结构的预应力钢筋强度等级要求较普通钢筋高，其主要原因是（）。

A.预应力钢筋强度满足使用荷载作用所需外，还要同时满足受拉区混凝土的预压应力要求.

B.使预应力混凝土构件获得更高的极限承载能力.

C.使预应力混凝土结构获得更好的延性.

D.使预应力钢筋截面减小而有利于布置.

华侨

在薄板面标注板厚尺寸应在厚度数字后加厚度符号“T”。