【判断题】大多数食用菌和广泛栽培的食用菌主要是子囊菌。( )
【单选题】What does the man find out at last?
A.
Fifteen minutes is too long.
B.
The traffic is moving too slowly.
C.
He is not able to carry both bags.
【简答题】如果集合只有三个元素,则其有( )个拓扑。
【简答题】如果集合只有三个元素,则其有( )个拓扑。
【简答题】What does the traffic and transportation activity refer to?
【单选题】What does “traffic light” mean?
【简答题】当需要绘制与X轴或Y轴平行的线段时,可以打开 模式,单击 上对应的按钮可快速启动该功能。
【单选题】What does the student suggest as a possible solution to the traffic problem?
A.
Tencouraging commuters to carpool during rush hour
B.
increasing fares on major city roads
C.
adding highway exit ramps before the Oakley Bridge
D.
giving free bus passes to students