空气间隙法的作用是()
A.吸收散射线
B.吸收漏射线
C.减少照射野
D.抑制散射线
E.吸收原发低能射线
参考答案:D
用所给词的适当形式填空。
1. Town Cinema has (comfort) seats.
2. They have good (serve). We all like to go there.
3. I think Movie Palace is the (good) of all the cinemas.
4. This bag is very (heavy) but that one is even (heavy) .
5. Titanic was one of (popular) movies at that time.
6. Which is the best (cloth) store?
局外人的"局"是指饭局吗?