用所给单词的正确形式填空

1.I carried in my hand a net____  (use) for catching fish.

2. That boy seemed ____   (embarrass) by the difficult question.

3. Mary wants her paintings _____    (display)in the gallery.

4. Whoever ____     (catch) breaking the law will be punished.

5.I didn't get my car____(repair) yesterday.

有关血琼脂平板，叙述错误的是（）

A.常用血液为羊血

B.血液含量一般为10％左右

C.血液灭菌后才能加入培养基中

D.琼脂含量为2％～3％

E.属于营养培养基