答案:B
Shirley,a real book lover,often brings home many books to read ____ the library. [ ]
A. in
B. for
C. by
D. from
人在树荫下会比在室内的阴影下感到凉爽,原因是().
A,光合作用
B,呼吸作用
C,蒸腾作用
D,遮挡阳光