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【单选题】
冰冻切片与石蜡切片相比,最大的优点是
A.
操作简便
B.
组织结构保存良好
C.
可使抗原达到最大限度的保存
D.
能长期保存抗原
E.
是观察组织结构的理想方法
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【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 ...
A.
400,000.
B.
40,000.
C.
300,000.
D.
260,000.
【单选题】Some children have never seen a dentist before starting school.
A.
Right
B.
Wrong
C.
Not mentioned
【简答题】【题目要求】 计算机在我们的生活、工作中的作用越来越大,你知道计算机的起源与发展吗?请结合计算机的发明时间( 1946 年)、外形、用途等方面,谈一下它的发展变化,并说明你对未来计算机的畅想。
【单选题】Before starting any diesel or gasoline engine, which of the following must be checked?____.
A.
Oil level
B.
Flow of cooling water
C.
Exhaust discharge
D.
All of the above
【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
B.
机油排空应至机油呈滴状流出且≤1滴/s
C.
必须更换放油螺塞垫圈
D.
加注机油接近机油标尺上限处
【简答题】畅想计算机的发展未来。
【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. (     )               (     )               (     )               (     )
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