根据句意或提示写出合适的单词。

1. -How many w____ are there in 8 year?

    -There are fifty-two.

2. T____ is the third (第三的) day of a week.

3. Friday comes after T____.

4. Seven minus four ____ (be) three.

5. We have eight subjects this t____.

6. Wang Hua is from China. She is C____.

7. -What's the E____ for "动车"?  

    -Sorry, I don't know.

8.  I'm i____ in Art.  I like drawing pictures.

金属材料的工艺性能包括铸造性、延展性、焊接性、（）、切削性及热处理性等。

A、导热性

B、可熔性

C、胀缩性

D、冷弯性