下载APP
【单选题】
They have been waiting for many hours to the opening ceremony, but the manager must have been______.
A.
off time
B.
on time
C.
ahead schedule
D.
behind schedule
举报
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】What event does Ray Anderson witness at the beginning of the story
A.
A home fire.
B.
An explosion.
C.
An automobile accident.
D.
A bad traffic jam.
【单选题】In Action Painting, the paint is sometimes ______ onto the canvas.
A.
trickled
B.
trampled
C.
stroked
D.
soaked
【单选题】They immediately ______ and go in the opposite direction.
A.
turn out
B.
turn about
C.
turn over
D.
turn down
【单选题】Why researchers put trees in extra carbon dioxide in the first study
A.
To learn whether trees can still absorb carbon dioxide under extreme conditions.
B.
To get more oxygen from these trees.
C.
To evaluate the maximum carbon dioxide that trees can absorb.
D.
To see the growth rate of these trees.
【单选题】对于建立良好的程序设计风格，下面有关数据说明描述错误的是( )。
A.
数据说明的次序规范化
B.
说明语句中变量安排有序化
C.
使用注释来说明复杂数据的结构
D.
数据说明次序可以任意排列