由于同条件养护的温度、湿度与标准养护条件存在差异，故等效养护_爱下问搜题

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问题判断题

由于同条件养护的温度、湿度与标准养护条件存在差异，故等效养护龄期可能并不等于28d。

答案

参考答案：对

完形填空

完形填空。

     I have an uncle. He likes soccer ball, baseball, volleyball, basketball and  1 . He  2  baseball and basketball
very well. He often watches sports games  3  TV. He plays sports every day. He often says (说), "Let's play..."
He joins (加入)  4 clubs: basketball club and baseball club. He has  5  sports collection: 12 tennis rackets, 10
baseballs, 3 volleyballs, 2 basketballs and one soccer ball.

( )1. A. baseball
( )2. A. plays
( )3. A. in
( )4. A. one
( )5. A. many

B. more
B. has
B. of
B. two
B. a

C. volleyball
C. sounds
C. on
C. three
C. some

单项选择题

目前最新版的CCAR121部是（）

A.R1

B.R2

C.R3

D.R4