下述氨基酸中属于人体必需氨基酸的是A．甘氨酸 B．组氨酸 C．苏氨酸 D．脯氨酸 E

综合填空：阅读短文，从方框中选择适当的词并用其正确形式填空，使短文通顺意思完整 。每空限填一词，每词限用一次, 有两个词是多余的。共10分。

try,  how,  what,  if,  can,  wonderful,  much  ,shop , read,  glass , down , put.

 
Tom lived away from town . One day he went into town to buy something in the shop . and after he bought小题1: ________ he wanted, he went into a restaurant and sat小题2:________ at the table. When he looked round, he saw
some old people小题3:________ eyeglasses on before小题4:________ their books, so after lunch he went to a shop to buy 小题5:________, too. He walked along the road, and soon found a 小题6: ________.
The man in the shop made him 小题7:________ on a lot of glasses, but each time Tom said, “ No, I can’t read with these. ”
The man became 小题8:________ and more puzzled (困惑) . At last he said, “ Excuse me, but 小题9:________ you read at all?”
“ No, I can’t! ” Tom said, “小题10:________ I can read, do you think I will come here to buy glasses? ”