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【单选题】阿司匹林与碳酸钠试液共热，放冷后用稀硫酸酸化，析出的白色沉淀是：
A.
醋酸苯酯
B.
醋酸
C.
水盐酸钠
D.
水杨酸
E.
乙酰水杨酸
查看完整题目与答案
【单选题】— They are thirsty. Will you please give them ______ ? — Certainly. A. some bottles of waters B. some bottles of water C. some bottle of water D. some bottle of waters
A.
some bottles of waters
B.
some bottles of water
C.
some bottle of water
D.
some bottle of waters
查看完整题目与答案
【单选题】How many ____ are there and _____ milk is there in the bottle?
A.
water how many
B.
cup of water how much
C.
cups of water how much
D.
cups of water how many
查看完整题目与答案
【单选题】将调查对象按10岁间隔分组,然后在各组中分别进行抽样,是
A.
随机抽样
B.
等距抽样
C.
类型抽样
D.
整群抽样
查看完整题目与答案
【单选题】阿司匹林与碳酸钠试液共热,放冷后用稀硫酸酸化,析出的白色沉淀是
A.
乙酰水杨酸
B.
醋酸
C.
水杨酸钠
D.
水杨酸
E.
醋酸苯酯
查看完整题目与答案
【单选题】阿司匹林与碳酸钠试液共热,放冷后用稀硫酸酸化,产生的臭气是 ( )
A.
醋酸
B.
水杨酸
C.
苯甲酸
D.
二氧化硫
查看完整题目与答案
【单选题】[     ]
A.
 a glass of water
B.
 a bottle of water
C.
 a cup of tea
查看完整题目与答案
【单选题】People are willing to pay more for a diamond than for a bottle of water because
A.
the marginal cost of producing an extra diamond far exceeds the marginal cost of producing an extra bottle of water.
B.
the marginal benefit of an extra diamond far exceeds the marginal benefit of an extra bottle of water.
C.
producers of diamonds have a much greater ability to manipulate diamond prices than producers of water have to manipulate water prices.
D.
water prices are held artificially low by governments, since water is necessary for life.
查看完整题目与答案
【单选题】下列各项纠纷的解决中，适用于《合同法》的是( )。
A.
甲监理公司对行政部门的处罚不服引起的纠纷
B.
乙施工企业与项目经理丙之间的劳动报酬纠纷
C.
甲建设单位与乙招标代理机构之间的代理费用纠纷
D.
甲建筑公司与乙设备租赁公司之间的租金支付纠纷
查看完整题目与答案
【单选题】下列各项中,适用仲裁法进行仲裁的事项是
A.
李甲和李乙发生的继承纠纷
B.
王某不服工商局的罚款决定引发的纠纷
C.
A公司和B公司有关买卖合同的纠纷
D.
张某与C公司之间有关工资报酬的纠纷
查看完整题目与答案
相关题目：
【单选题】阿司匹林与碳酸钠试液共热，放冷后用稀硫酸酸化，析出的白色沉淀是：
A.
醋酸苯酯
B.
醋酸
C.
水盐酸钠
D.
水杨酸
E.
乙酰水杨酸
查看完整题目与答案
【单选题】— They are thirsty. Will you please give them ______ ? — Certainly. A. some bottles of waters B. some bottles of water C. some bottle of water D. some bottle of waters
A.
some bottles of waters
B.
some bottles of water
C.
some bottle of water
D.
some bottle of waters
查看完整题目与答案
【单选题】How many ____ are there and _____ milk is there in the bottle?
A.
water how many
B.
cup of water how much
C.
cups of water how much
D.
cups of water how many
查看完整题目与答案
【单选题】将调查对象按10岁间隔分组,然后在各组中分别进行抽样,是
A.
随机抽样
B.
等距抽样
C.
类型抽样
D.
整群抽样
查看完整题目与答案
【单选题】阿司匹林与碳酸钠试液共热,放冷后用稀硫酸酸化,析出的白色沉淀是
A.
乙酰水杨酸
B.
醋酸
C.
水杨酸钠
D.
水杨酸
E.
醋酸苯酯
查看完整题目与答案
【单选题】阿司匹林与碳酸钠试液共热,放冷后用稀硫酸酸化,产生的臭气是 ( )
A.
醋酸
B.
水杨酸
C.
苯甲酸
D.
二氧化硫
查看完整题目与答案
【单选题】[     ]
A.
 a glass of water
B.
 a bottle of water
C.
 a cup of tea
查看完整题目与答案
【单选题】People are willing to pay more for a diamond than for a bottle of water because
A.
the marginal cost of producing an extra diamond far exceeds the marginal cost of producing an extra bottle of water.
B.
the marginal benefit of an extra diamond far exceeds the marginal benefit of an extra bottle of water.
C.
producers of diamonds have a much greater ability to manipulate diamond prices than producers of water have to manipulate water prices.
D.
water prices are held artificially low by governments, since water is necessary for life.
查看完整题目与答案
【单选题】下列各项纠纷的解决中，适用于《合同法》的是( )。
A.
甲监理公司对行政部门的处罚不服引起的纠纷
B.
乙施工企业与项目经理丙之间的劳动报酬纠纷
C.
甲建设单位与乙招标代理机构之间的代理费用纠纷
D.
甲建筑公司与乙设备租赁公司之间的租金支付纠纷
查看完整题目与答案
【单选题】下列各项中,适用仲裁法进行仲裁的事项是
A.
李甲和李乙发生的继承纠纷
B.
王某不服工商局的罚款决定引发的纠纷
C.
A公司和B公司有关买卖合同的纠纷
D.
张某与C公司之间有关工资报酬的纠纷
查看完整题目与答案
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