问题
单项选择题
γ-谷氨酰基循环的主要作用是
A．合成尿素
B．转运氨
C．GSH的合成
D．氨基酸吸收
E．氨基酸脱氨
答案
参考答案：D
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γ-谷氨酰基循环的主要作用是
A．合成尿素
B．转运氨
C．GSH的合成
D．氨基酸吸收
E．氨基酸脱氨
参考答案：D
| 综合填空，用方框中所给词的适当形式填空，使短文正确、通顺、连贯。（每词限用一次） | |
hat, please．" he sad．"Can I try it on, please?" "Of course," the assistant answered and he brought several 2．_______ The man tried them on one by one, but be didn't like 3._____ of them．"This one is big and this one doesn't look very nice and this one must be too cheap．Would you mind 4.______ a few more hats, please?" "Not at all,'" the assistant said．He 5.______ to the back of the shop and brought some 6._____ hats．"Let's try this one．" the man said, "No, I'm afraid it's too wide．" "Let's try that one．" "No, I'm afraid it isn't wide 7._______" the man said． "Would you like to try this one?" the assistant asked． "No．it doesn't look very good" "Shall I bring some more?" the assistant asked．He 8._____ very happy, but he went to the bark of the shop and brought out all the hats．Of course, the man didn't like any of them． "Those hats are not the right size," the man sad．The assistant was very unhappy now．"The hats are all right, sir," he said 9.______ , "but I'm afraid your 10.______ isn't the right size．" |