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问题 多项选择题

属于元代戏剧的是（）。

A.白朴的《墙头马上》和《梧桐雨》

B.马致远的《汉宫秋》

C.纪君祥的《赵氏孤儿》

D.康进之的《李逵负荆》

答案

参考答案：A, B, C, D

阅读理解
阅读理解。

     Young people and older people don't always agree with each other. They sometimes have different ideas
about living, working and having fun. 1. _____ Each summer 200 teenagers and 50 adults live together for
eight weeks as members of a special work group. Everyone works for several hours each day. The purpose
of this program is not just to keep busy. 2._____ Some teenagers work on the farms near the village. Some
learn to make furniture and to build houses. The adults teach them these skills.
     There are several free hours each day. Weekends are free, too. 3._____ Others sit around and talk or sing.
Each teenager chooses his own way to spend his free time.
     When people, live together, rules are always necessary. In this program the teenagers and the adults make
the rules together. 4._____ They ask,"Why did it happen? What should we do about it?"
     One of the teenagers has this to say about the experience," You don't only think about yourself. You learn
how to think about the group."

A.It is also to find meaning and enjoyment in work.
B. If someone breaks a rule, the whole group will discuss the problem.
C. During the free time, some of the teenagers learn photography and painting.
D. But in one special program in New York, adults and teenagers live together in peace.
5. Which is the best tide of this passage?
A. Enjoyment in work
B. Teenagers and adults
C. A special program
D. How to spend your free time
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单项选择题

截面尺寸为1200mm×190mm的窗间墙用MU10的单排孔混凝土砌块与Mb7.5砌块砂浆砌筑，灌孔混凝土强度等级C20，混凝土砌块孔洞率6=35%，砌体灌孔率ρ=33%，墙的计算高度为4.2m，在截面厚度方向的偏心距e=40mm。

已知该墙承受轴向力设计值N=150kN，弯矩没计值M=6kN·m，假设砌体的抗压强度值为3.2N/mm2，则对该墙进行承载力计算时，其承载力计算式最接近下列（）项表达式。

A．N=150kN≤φfA=191.9kN

B．N=150kN≤φfA=185.3kN

C．N=150kN≤φfA=176.5kN

D．N=150kN≤φfA=204.6kN
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