细集料的筛分试验应进行两次平行试验，以平均值作为测定值。如两_爱下问搜题

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问题单项选择题

细集料的筛分试验应进行两次平行试验，以平均值作为测定值。如两次试验所得的细度模数之差大于( )，应重新进行试验。

A．0.02

B．0.01

C．0.2

D．0.3

答案

参考答案：C

完形填空

阅读上栏中对人物的描述，从下栏中选择与之相匹配的信息，并将正确答案前的字母编号填写在题前的括号内。

（）1. My name is Zhang Ying .I live in Shanghai. I have a cousin. She is an American girl.
( ) 2. I have a little brother. He is really cute and clever(聪明的). He is three years old now.
( ) 3. My aunt is a beautiful young girl. She likes expensive(昂贵的) rings and watcher.
( ) 4. My mother is an English teacher. She speaks English well. Her students like her very much.
( ) 5. My sister is a good student. This is her English-Chinese dictionary. She likes learning English very much.

A. Lily is from the USA . She lives in New York.
B. Mrs Wang is an English teacher at a middle school. She is kind and nice.
C. Jenny is 12 years old. She is a good student. All teachers like her.
D. Tom is a little boy. He loves playing balls and toy guns(玩具枪).
E. Gina is an English girl. She is very beautiful.
F. Mr Green is an old man. But he is very healthy and energetic（精力充沛的）.
G. Linda is a fashionable (时尚的)young girl. She likes to make herself beautiful.

单项选择题

请从所给的四个选项中，选择最合适的一个填入问号处，使之呈现一定的规律性（）

A.A

B.B

C.C

D.D