随机对照试验的缺点有（）。A.花费比较大 B.代表性仅限于合格

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问题多项选择题

随机对照试验的缺点有（）。

A.花费比较大

B.代表性仅限于合格的被研究患者，有一定局限性

C.安慰剂使用不当，会出现医德问题

D.随机分组难以进行

E.用盲法试验可使干扰降到最低限度

答案

参考答案：A, B, C

阅读理解

根据短文内容判断正(T)误(F)。

Ben likes sports. He plays sports every day. He likes playing basketball. Because (因为) he thinks it is

very interesting. He likes playing volleyball, too. Because he thinks it is fun. Ben has a great sports collection.

He has 49 basketballs, 82 tennis rackets, 65 baseballs, 26 volleyballs and 52 soccer balls.

( )1. Ben doesn't like sports.

( )2. He likes baseball only (仅仅).

( )3. He doesn't like volleyball.

( )4. He has a small sports collection.

( )5. He doesn't have computers.

判断题

经办柜员每日营业终了应对汇出汇款业务交易、客户填写的境外汇款申请书、影像平台传送成功的影像信息等进行核对，确保相符。