B. 请根据句意从方框中选择合适的单词，并用其适当形式填空，使句子通顺。

小题1:Lucy said that Mr. White offered her some _________ suggestions.

小题2:Those volunteers always think more of others than of _________  .

小题3:Mr Yang, I fell ill last night and didn’t finish my homework. I’m ________ sorry about it.

小题4: —Why do the beautiful birds ________ so fast?

—Because of lack of food.

小题5:It’s known to us all that ________ need food, water and air to survive.

工件按图（物）划线后，应通过（）来保证最后尺寸的准确。

A、测量；

B、所划的线；

C、加工；

D、观察。