【单选题】More people than ever before are embarking on their own enterprise adventure and starting their own business. Nearly 400,000 companies were established last year, or 35 percent more than in 2002. But ...
【单选题】Some children have never seen a dentist before starting school.
【单选题】Before starting any diesel or gasoline engine, which of the following must be checked?____.
【简答题】听音,对的打“√”,错的打“×”。 1. 2. 3. 4. ( ) ( ) ( ) ( )
【简答题】听音判断,对的打“√”错的打“×”。 1. 2. 3. 4. ( ) ( ) ( ) ( )
【多选题】对于保养时针对发动机机油的操作,说法正确的是:
A.
检查机油液位前应使车辆停放在水平路面10分钟以上
【单选题】Before starting a gasoline engine on a motorboat,you should make sure for safety that ______.
A.
The gasoline tank is full
B.
The bilges,cabins,etc.are thoroughly ventilated
C.
You have fresh water on board
D.
Each of the above is followed
【简答题】听音,判断正误,对的打“√”,错的打“×”。 1. 2. 3. ( ) ( ) ( )
【简答题】听音,判断正确打“√”,错的打“×”。 1. 2. 3. 4. ( ) ( ) ( ) ( )