问题
单项选择题
下列过程发生在人体内环境中的是（）
A.神经递质与受体结合
B.葡萄糖脱氢分解产生丙酮酸
C.食物中的蛋白质经消化被分解成氨基酸
D.胰岛素的合成
答案
参考答案：A
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下列过程发生在人体内环境中的是（）
A.神经递质与受体结合
B.葡萄糖脱氢分解产生丙酮酸
C.食物中的蛋白质经消化被分解成氨基酸
D.胰岛素的合成
参考答案：A
| 完形填空。 | ||||
| The Johnson family usually goes to the park on Sunday. 1 take some bread, meat and 2 coke with them. They are now in the 3 . The sun is shining and the birds are singing in the big trees. It sounds beautiful. It's a 4 day today. Mr. Johnson is wearing a blue T-shirt. He is 5 by the river. There are a lot of fish in it. Mrs. Johnson is 6 under the tree. She is wearing a green dress and a pair of 7 . She is drinking coke. She likes coke 8 . Peter and Alice are flying a kite. Jack is playing chess. He is good at 9 . The Johnson family is very 10 today. | ||||
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