任何一个光圈和焦距组合都有一个对应的超焦距。
A. 对
B. 错
Going to the zoo is exciting ________ for kids.
A. entertainment
B. hobby
C. enjoy
D. treat
_______ this book, you are right.
According to
Because of
C. With
Due to
The books _____ much of the space.
A. take off
B. take up
C. take out
D. take in