脘腹部按之手下饱满充实而有弹性,有压痛称为()
A.虚满
B.实满
C.气鼓
D.水鼓
E.以上都不是
参考答案:B
单词拼写。
1. The experiment _____ (证实) his theory.
2. There's a telephone _____ (在附近), just down the stairs.
3. He succeeded in business and was very w_____.
4. He went d_____ to do some shopping yesterday.
5. On a m_____ morning, it's a little difficult for us to see the road clearly.
将5.000gNaCl、NaBr、CaCl2的混合物溶于水,通入氯气充分反应,然后把溶液蒸干并灼烧,得残留物4.914g.灼烧后的残留物再溶于水,并加足量的Na2CO3溶液,所得沉淀经干燥后质量为0.270g.求混合物中各化合物的质量百分组成.