问题
单项选择题
( )结构是常用的结构形式，其所有杆件受的力为拉力和压力。
A．单层刚架
B．拱式结构
C．简支梁结构
D．屋架
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
( )结构是常用的结构形式，其所有杆件受的力为拉力和压力。
A．单层刚架
B．拱式结构
C．简支梁结构
D．屋架
参考答案：D
“ Tell me what you are going to do __1_ Sunday morning, Mike.” Mr. Zhang asks, “I’m going to see ___2_ new film. It’s an English film ___3___ the life of the students in America. Bill tells me it’s ____4___ interesting.” “ After seeing the film, what are you going to do?” Mr. Zhang wants ___5___ . “ I’m going to read Chinese.” Mike says. “Do you like it?” asks Mr. Zhang. “Chinese is not ___6__ for me, but I like it very much. I’m going _7__ hard at it. After lunch I’m going to do my homework. I think I _8___ do it better than before.” “Then, __9 ___ about Sunday evening?” Mr. Zhang asks, “After supper I’m going to help Han Mei _10_ her English. She wants my help.” Mike says. “You are going to have a busy day, aren’t you?” says Mr. Zhang.
|