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【单选题】
在进行设计资料的t检验之前,要注意两个前提条件:一是考察两样本是否来自正态总体,二是要
A.
作变量变换
B.
核对数据
C.
求均数、标准差和标准误
D.
作方差检验，看方差是否满足
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参考解析：
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举一反三
【单选题】____, where’s Steinberg’s supermarket? Is it near here?
A.
If you like
B.
Here we are
C.
See you then
D.
Excuse me
查看完整题目与答案
【单选题】听力原文：What's the weather like here? (5)
A.
It's a bit hot here.
B.
I like to be here.
C.
It's cloudy in my hometown.
D.
It is beautiful here.
查看完整题目与答案
【单选题】'Employees have the responsibility to say here's what I want, here's what I need, here's what would make me stay.' Says author and consultant Beverly Kaye.
A.
helper
B.
adviser
C.
assistant
D.
supervisor
查看完整题目与答案
【单选题】____________ the toy car. [     ]
A.
This
B.
Here
C.
Here's
查看完整题目与答案
【单选题】关于涂膜剂特点的错误叙述为
A.
制备工艺材料
B.
不用裱褙材料
C.
适用于有渗出液的皮肤病
D.
无需特殊的机械设备
E.
使用方便
查看完整题目与答案
【单选题】听力原文：What's the best place to have a cup of coffee around here? (A) It's not here. (B) I'll just sit here, thanks. (C) It is called Sunny Bar, on the King Street. (28)
A.
B.
C.
查看完整题目与答案
【单选题】下列抗幽门螺杆菌治疗哪种疗效为高?
A.
H2受体拮抗剂+二种抗生素
B.
质子泵抑制剂+二种抗生素
C.
胶体铋+二种抗菌药
D.
质子泵抑制剂+一种抗菌药
E.
胶体铋+一种抗菌药
查看完整题目与答案
【简答题】看图完成句子。 1. What's in the ______________? 2. Here are some ______________. 3. Here's the ______________. 4. This is a ______________.
查看完整题目与答案
【单选题】为成人进行管喂饮食插入胃管深度
A.
35-40cm
B.
40-45cm
C.
45-55cm
D.
50-55cm
查看完整题目与答案
【单选题】关于乳膏剂的叙述中下列哪一项是错误的
A.
具有触变性和热敏性的特点
B.
选用基质应细腻，涂于皮肤或黏膜上应无刺激性
C.
有适宜的黏稠度且不易受季节变化影响，应易于软化、涂布而不融化
D.
性质稳定，有效期内无酸败、异臭、变色、变硬等变质现象
E.
用于烧伤、创面的乳膏剂应无致病菌，眼用乳膏剂应无菌
查看完整题目与答案
相关题目：
【单选题】____, where’s Steinberg’s supermarket? Is it near here?
A.
If you like
B.
Here we are
C.
See you then
D.
Excuse me
查看完整题目与答案
【单选题】听力原文：What's the weather like here? (5)
A.
It's a bit hot here.
B.
I like to be here.
C.
It's cloudy in my hometown.
D.
It is beautiful here.
查看完整题目与答案
【单选题】'Employees have the responsibility to say here's what I want, here's what I need, here's what would make me stay.' Says author and consultant Beverly Kaye.
A.
helper
B.
adviser
C.
assistant
D.
supervisor
查看完整题目与答案
【单选题】____________ the toy car. [     ]
A.
This
B.
Here
C.
Here's
查看完整题目与答案
【单选题】关于涂膜剂特点的错误叙述为
A.
制备工艺材料
B.
不用裱褙材料
C.
适用于有渗出液的皮肤病
D.
无需特殊的机械设备
E.
使用方便
查看完整题目与答案
【单选题】听力原文：What's the best place to have a cup of coffee around here? (A) It's not here. (B) I'll just sit here, thanks. (C) It is called Sunny Bar, on the King Street. (28)
A.
B.
C.
查看完整题目与答案
【单选题】下列抗幽门螺杆菌治疗哪种疗效为高?
A.
H2受体拮抗剂+二种抗生素
B.
质子泵抑制剂+二种抗生素
C.
胶体铋+二种抗菌药
D.
质子泵抑制剂+一种抗菌药
E.
胶体铋+一种抗菌药
查看完整题目与答案
【简答题】看图完成句子。 1. What's in the ______________? 2. Here are some ______________. 3. Here's the ______________. 4. This is a ______________.
查看完整题目与答案
【单选题】为成人进行管喂饮食插入胃管深度
A.
35-40cm
B.
40-45cm
C.
45-55cm
D.
50-55cm
查看完整题目与答案
【单选题】关于乳膏剂的叙述中下列哪一项是错误的
A.
具有触变性和热敏性的特点
B.
选用基质应细腻，涂于皮肤或黏膜上应无刺激性
C.
有适宜的黏稠度且不易受季节变化影响，应易于软化、涂布而不融化
D.
性质稳定，有效期内无酸败、异臭、变色、变硬等变质现象
E.
用于烧伤、创面的乳膏剂应无致病菌，眼用乳膏剂应无菌
查看完整题目与答案