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【单选题】
采用纯粹偶然的方法从母体中选取样本的抽样方法是
A.
简单随机抽样
B.
系统抽样
C.
分层抽样
D.
整群抽样
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举一反三
【单选题】-_____? -He is friendly and polite. [     ]
A.
What does he look like
B.
What does he like
C.
What is he like
D.
What is he alike
【简答题】散剂的组成包括A.药物 B.适宜的辅料 C.适宜的溶剂 D.适宜的基质A. 1 B. 1 C. 1 D. 1
【判断题】砖砌体“三一”砌筑法的具体含义是指一铲灰、一块砖、一勾缝。
A.
正确
B.
错误
【单选题】—'What does your uncle like?' —'_______.' [     ]
A.
He is very tall
B.
He's like a doctor
C.
He likes football
D.
He isn't very old
【单选题】当执行 MOVB k10, VB0 后,存储器 VB0 中的数据为
A.
1001
B.
0101
C.
1010
D.
1101
【单选题】UM71轨道电路电器绝缘节长度为()米。
A.
. 20
B.
. 22
C.
. 24
D.
. 26
【多选题】散剂的组成包括
A.
药物
B.
适宜的辅料
C.
适宜的溶剂
D.
适宜的基质
【单选题】— ______? — He's friendly and helpful. [     ]
A.
What does he like?
B.
What is he like?
C.
What is he alike?
D.
What is he look like?
【单选题】—Would you like ______? —Yes, please. [     ]
A.
something drinking
B.
anything to drink
C.
something to drink
D.
anything to dri nk
【单选题】—____________________? —He is tall.
A.
How is he               
B.
What does he look like       
C.
What does he like
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