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更多“请问 小鸟 bird 和 birthday生日里面的 ir …”相关的问题
A.450
B.480
C.530
D.550
The best title for the passage is__________ ．
A.Different Accounts of Migration
B.Migration and Weather
C.New Discovery of Bird Migration
D.Routes of Bird Migration
Going out of the room, ______.
A．the air felt cool and fresh
B．the sun had risen
C．a boy was seen in a tree
D．she saw a big bird in the tree
The best solution to the problem of the spread of bird flu is ______.
A. to kill all the birds in an area where bird flu has been discovered
B. to kill all the chickens
C. to kill all the birds
D. to kill all the chickens when bird flu has been discovered
A.on, in
B.in, in
C.on, on
D.in, on
They climbed to the top of the hill ______ they could get a bird's-eye view of the city.
A．for fear that
B．in order that
C．in case
D．as a result
在主动红外探测器中，适当选择有效报警最短遮光时间，可排除()。
A.树叶浮落
B.小鸟飞过
C.大雪
D.大雨天气的噪扰报警
在考场上，飞进的小鸟并没有引起考生的注意，他们仍在奋笔疾书答卷。这体现的注意功能是
A 指向
B 选择
C 保持
D 分配
