对黏度计进行准确度评价时应（） A.用国家计量标准牛顿油 B.剪_爱下问搜题

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问题多项选择题

对黏度计进行准确度评价时应（）

A.用国家计量标准牛顿油

B.剪切率（1～200）s–1范围内测定

C.测定5次以上取均值

D.剪切率（1～5）s–1范围内测定

E.实际测定值与真值的相对偏差＜3%

答案

参考答案：A, B, C, E

完形填空

完形填空。

     Mr and Mrs Smith are from England. Now they are in   1     with their children. This is the first time
they have come to China. Mr Smith is a musician. He   2    music very much. He plays the piano every
day. Mrs Smith is a teacher. Her   3 love her very much and her daughter studies at   4 school.
     Mrs Smith likes   5      very much. She thinks she can learn about Chinese history. But her daughter
doesn't think so. She likes   6 and her favorite singer is Liu Huan. Mr Smith's son doesn't like watching
movies or singing. He thinks they are boring. He likes sports. His favorite sport is   7   . He wants to be
a player like Ma Lin.
     The Smith are going to   8 . rrhey want to take   9    0n the Great Wall and they also want to have
some special        10   , for example, Beijing Duck. May they have a good trip.

( )1. A. New York
( )2. A. knows
( )3. A. friends
( )4. A. her
( )5. A. thrillers
( )6. A. swimming
( )7. A. ping-pong
( )8. A. Hangzhou
( )9. A. books
( )10.A. fruit

B. Shanghai
B. leams
B. sisters
B. my
B. comedies
B. dancing
B. basketball
B. Beijing
B. clothes
B. tea

C. Paris
C. needs
C. children
C. his
C. Beijing Opera
C. singing
C. baseball
C. Qingdao
C. bags
C. food

D. London
D. loves
D. students
D. its
D. action movies
D. painting
D. volleyball
D. Dalian
D. photos
D. vegetables

多项选择题

下列分项工程中，属于主体结构分部工程的有（）。

A.模板

B.预应力

C.填充墙砌体

D.网架制作

E.混凝土灌注桩