搜题请搜索小程序“爱下问搜题”
问题 填空题

大豆肽有较强的吸湿性和保湿性。大豆肽中有丰富的（），可起到皮肤抗衰老的作用。

答案

参考答案：氨基酸

选择题
They ______ on the program for almost one week before I joined them, and now we  _______ on it as no good results have come out so far.

A. had been working; are still working  
B. had worked; were still working
C. have been working; have worked    
D. have worked; are still working
查看答案
单项选择题 A1/A2型题

人工髋关节置换术后股骨骨折以哪个部位最多见（）。

A.股骨粗隆区

B.股骨粗隆区和人工股骨柄之间

C.人工股骨柄远端

D.混合区

E.对侧股骨
查看答案