谷胱甘肽能够有效地消除自由基,防止自由基对机体的侵害。( )
参考答案:对
—_____
—It’s an apartment building.
A. What’s your home?
B. Where’s your house?
C. What kind of house do you live in?
伸直纤维须具备()、()、()三个条件