【单选题】What does "I'm keen on sports." mean?
B.
I am interested in sports.
C.
Sports is interesting.
D.
Sports can do me good.
【单选题】What can we infer from the passage?
A.
All the senses of birds are very keen.
C.
The earliest classification of birds was not very sound or scientific.
D.
Birds were given a sound and scientific classification from the very beginning.
【多选题】将刀平放在剂子上,用力向下按压面剂的制皮方法称为( )。
【单选题】What's Miss Patty Ching's problem?
A.
To be a keen photographer is too costly.
B.
She has to develop 10 rolls of films.
C.
All her films were vanished.
D.
After the trip, she was too tired to choose a good photo service.
【单选题】函数y=(sinx+cosx) 2 -1是( )
【单选题】已知函数 ,则下列结论正确的是 ( )
D.
将函数 的图象向右平移 个单位,再向上平移1个单位,得到函数 的图象