有一幢钢筋混凝土高层筒中筒结构，矩形平面的宽度26m，长度30m，_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

有一幢钢筋混凝土高层筒中筒结构，矩形平面的宽度26m，长度30m，抗震设防烈度为7度，要求在高宽比不超过《高2010》规定的A级高度的限值的前提下，尽量做高，指出下列( )高度符合要求。

A．156m
B．143m
C．140m
D．200m

答案

参考答案：D

解析：根据《高2010》表3.3.1—2，筒中筒结构在抗震没防烈度为7度时，最大适用高度H=230m。根据表3.3.2，筒中筒7度时高宽比限值H/B=8，则：H=8B=8×26=208m

完形填空

阅读下面短文，然后从各题所给的四个选项中选出一个最佳答案。
I used to live in my own room alone. But one day it all changed when my brother Mike asked to share my     . At first, my parents said “no” to him, but at last my mother agreed. I cried and asked my parents not to do this,     it didn’t work.
As soon as Mike entered my room, it began to become    . To my anger, he often left his unwashed clothes and toys everywhere!
One evening, I was doing some      on my computer while Mike was listening to music.       , I left my seat to get some water. A big surprise was waiting for me whenI   . He was using my computer to play game. I had forgotten to save the homework. Sadly, he had closed my program     saving it all I had done had disappeared! I     him. He cried a lot as my mother came and beat him. My mother also asked him to leave my room at once.
Then I did my homework    . At 10: 00 pm. I finished it. When I was going to turn off the   , I saw the photo of my     that he had put on my table. I looked at his lovely face and remembered how     he was when my mom beat him. I really felt      . I went to see what he was doing. I found he was    in my parents’ bed. I kissed his face. He woke up, got up and said. “I’m sorry. I won’t bring you any more trouble.”
I was as moved and said. “From now on, my room is not only mine. It is     !” That very night, Mike and I shared not only the room, but the bed.

A．agreed with

C．looked after

D．grandfather

阅读理解与欣赏

阅读，完成练习。

bàn mó shù

变魔术

xiǎo sōng shǔ cǎi sōng guǒ caǎ xià sōng guǒ mái jín tǔ

小松鼠，采松果，采下松果埋进土。

mái shán me wèi shán me liú zhe chūn tiān tián bǎo dù

埋什么？为什么？留着春天填饱肚。

chūn fēng chuī chūn tiān dào xiǎo sōng shǔ dǎ kāi xiǎo cāng kù

春风吹，春天到，小松鼠打开“小仓库”。

xiǎo sōng guǒ bú jiàn le zhǐ yǒu yì kē xiǎo sōng shù

小松果，不见了，只有一棵小松树。

xiǎo sōng shǔ hǎo qí guài sōng guǒ yě huì biàn mó shù

小松鼠，好奇怪，松果也会变魔术。

xiǎosōngshǔ bǎ mái jìn tǔlǐ shì yīn wèi

1．小松鼠把埋进土里，是因为。

xiǎosōngguǒ biàn chéng le shì yīn wèi

2．小松果变成了，是因为。