问题
单项选择题
寒冷时,机体增加产热量的主要方式是()。
A.寒战
B.甲状腺素的释放量增加
C.肾上腺素释放量增加
D.去甲肾上腺素释放量增加
E.球管平衡
答案
参考答案:A
寒冷时,机体增加产热量的主要方式是()。
A.寒战
B.甲状腺素的释放量增加
C.肾上腺素释放量增加
D.去甲肾上腺素释放量增加
E.球管平衡
参考答案:A
There’s a big supermarket called Jiahui in our city. It’s very 46 to find. It is in the center of our city. It’s 47 the bus stop and it’s also very easy to take a taxi, too. The supermarket is big 48 nice. It 49 at 8:30 a.m. and closes at 10 p.m. So every day, lots of people go 50 at it 51 work. You can buy 52 , drinks, clothes, shoes, vegetables,…and stationery there. The workers at the supermarket are very 53 . So many people like shopping there. At the weekend, people don’t go to work or go to school, so there are 54 people shopping there. We must 55 our turn a long time to pay for what we buy.
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