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【单选题】
心血管疾病是当代主要疾病之一．下列有关血管的叙述错误的是（　　）
A.
动脉管壁厚，弹性大，管内血流速度快
B.
静脉管内有静脉瓣，动脉管内有动脉瓣
C.
血管内红细胞呈单行通过
D.
肺动脉流动的是含氧少、颜色暗红的静脉血
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【单选题】相同质量摩尔浓度的下列物质 ( 均以分子式作基本单元 ) 的溶液,溶液沸点升高最多的溶液是
A.
ZnSO 4
B.
AI 2 (SO4) 3
C.
NH 4 CI
D.
K 2 SO 4
查看完整题目与答案
【判断题】If the undistributed profits of previous years are in surplus, the calculation of the base for drawing the legal surplus reserve shall not include the undistributed profits of the enterprise at the be...
A.
正确
B.
错误
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【简答题】某溶液含有下表离子中的几种（不考虑水的电离及离子的水解）．溶液中阴离子物质的量为0.2mol，阳离子物质的量为0.3mol，阳离子只有两种． 阳离子 Ba 2+ NH 4 + Fe 3+ Al 3+ Fe 2+ 阴离子 OH - CO 3 2- Cl - SO 3 2- SO 4 2- ①若向原溶液中加入过量稀盐酸，无气体生成，得到溶液A． ②向溶液A中加入过量稀HNO 3 ，再加AgNO 3 溶...
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【简答题】I want to be an English teacher When I was eight years old, I had a dream. I wanted to be a teacher. But I do not want to be a math teacher or Chinese teacher now. I want to be an English teacher. I ’...
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【单选题】I don' t really like to do sports. I prefer to do sports when and where I want to .
A.
s ome
B.
any
C.
team
D.
eas y
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【单选题】新鲜骨折是指骨折时间在
A.
1周之内的骨折
B.
2周之内的骨折
C.
3周之内的骨折
D.
4周之内的骨折
E.
5周之内的骨折
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【单选题】Professor Parker can tell you if you are sick; after all, he is a doctor.
A.
affirming the consequent
B.
denying the antecedent
C.
undistributed middle fallacy
D.
confusing explanations with excuses
E.
equivocation
F.
composition
G.
division
H.
miscalculating probabilities
查看完整题目与答案
【简答题】混合物平均摩尔质量通常可表示为： ，利用此概念可以讨论许多化学问题： （1）相同条件下，潮湿空气的密度________（选填“＞”、“＜”或“＝”）干燥空气的密度。 （2）在一定条件下的恒容密闭容器中，建立如下平衡：5O 2 (g)＋4NH 3 (g) 4NO(g)＋6H 2 O(g)；假如温度保持不变并充入He，则平衡_______ （填“正向移动”、“逆向移动”、“不移动”）， （混合气）将 ...
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【单选题】下列说法正确的是（ ） ①2mol铁原子   ②1mol Fe 3+ ③0.5mol 氧  ④氨的摩尔质量是17g ⑤1L 0.1mol/L NH 4 NO 3 溶液中氮原子的物质的量为0.2 mol ⑥0.5mol 氮气
A.
①②④⑥
B.
①②⑤⑥
C.
①②③⑥
D.
都正确
查看完整题目与答案
【单选题】If the government response to Hurricane Sandy is large enough and fast enough, then New Jersey and the surrounding area will avoid years of economic hard times. But there is no chance its response wil...
A.
affirming the consequent
B.
denying the antecedent
C.
undistributed middle fallacy
D.
confusing explanations with excuses
E.
equivocation
F.
composition
G.
division
H.
miscalculating probabilities
查看完整题目与答案
相关题目：
【单选题】相同质量摩尔浓度的下列物质 ( 均以分子式作基本单元 ) 的溶液,溶液沸点升高最多的溶液是
A.
ZnSO 4
B.
AI 2 (SO4) 3
C.
NH 4 CI
D.
K 2 SO 4
查看完整题目与答案
【判断题】If the undistributed profits of previous years are in surplus, the calculation of the base for drawing the legal surplus reserve shall not include the undistributed profits of the enterprise at the be...
A.
正确
B.
错误
查看完整题目与答案
【简答题】某溶液含有下表离子中的几种（不考虑水的电离及离子的水解）．溶液中阴离子物质的量为0.2mol，阳离子物质的量为0.3mol，阳离子只有两种． 阳离子 Ba 2+ NH 4 + Fe 3+ Al 3+ Fe 2+ 阴离子 OH - CO 3 2- Cl - SO 3 2- SO 4 2- ①若向原溶液中加入过量稀盐酸，无气体生成，得到溶液A． ②向溶液A中加入过量稀HNO 3 ，再加AgNO 3 溶...
查看完整题目与答案
【简答题】I want to be an English teacher When I was eight years old, I had a dream. I wanted to be a teacher. But I do not want to be a math teacher or Chinese teacher now. I want to be an English teacher. I ’...
查看完整题目与答案
【单选题】I don' t really like to do sports. I prefer to do sports when and where I want to .
A.
s ome
B.
any
C.
team
D.
eas y
查看完整题目与答案
【单选题】新鲜骨折是指骨折时间在
A.
1周之内的骨折
B.
2周之内的骨折
C.
3周之内的骨折
D.
4周之内的骨折
E.
5周之内的骨折
查看完整题目与答案
【单选题】Professor Parker can tell you if you are sick; after all, he is a doctor.
A.
affirming the consequent
B.
denying the antecedent
C.
undistributed middle fallacy
D.
confusing explanations with excuses
E.
equivocation
F.
composition
G.
division
H.
miscalculating probabilities
查看完整题目与答案
【简答题】混合物平均摩尔质量通常可表示为： ，利用此概念可以讨论许多化学问题： （1）相同条件下，潮湿空气的密度________（选填“＞”、“＜”或“＝”）干燥空气的密度。 （2）在一定条件下的恒容密闭容器中，建立如下平衡：5O 2 (g)＋4NH 3 (g) 4NO(g)＋6H 2 O(g)；假如温度保持不变并充入He，则平衡_______ （填“正向移动”、“逆向移动”、“不移动”）， （混合气）将 ...
查看完整题目与答案
【单选题】下列说法正确的是（ ） ①2mol铁原子   ②1mol Fe 3+ ③0.5mol 氧  ④氨的摩尔质量是17g ⑤1L 0.1mol/L NH 4 NO 3 溶液中氮原子的物质的量为0.2 mol ⑥0.5mol 氮气
A.
①②④⑥
B.
①②⑤⑥
C.
①②③⑥
D.
都正确
查看完整题目与答案
【单选题】If the government response to Hurricane Sandy is large enough and fast enough, then New Jersey and the surrounding area will avoid years of economic hard times. But there is no chance its response wil...
A.
affirming the consequent
B.
denying the antecedent
C.
undistributed middle fallacy
D.
confusing explanations with excuses
E.
equivocation
F.
composition
G.
division
H.
miscalculating probabilities
查看完整题目与答案
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