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【多选题】
下列论述正确的有( )
A.
内燃机的压缩比是指气缸工作容积与燃烧室容积之比
B.
柴油机采用增压器,只能增加进气量,改善排放,不能提高发动机功率
C.
8E430Z型柴油机是一台八缸、二冲程、缸径为430mm,并具有增压特性的柴油机
D.
柴油机燃料供给系统的作用是定时、定量、定压地向燃烧室喷入柴油,并创造良好的燃烧条件
E.
一般汽油机比柴油机的转速高是因为汽油机的压缩比较大
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参考答案:
举一反三
【多选题】观测竖直角时,在读取竖盘读数之前,应调节(),使之()  ,其目的是 ()
A.
竖盘指标水准管螺旋
B.
气泡居中
C.
使竖盘指标处于不正确位置
D.
使竖盘指标处于正确位置
【简答题】观测竖直角时,在读取竖盘读数之前,应调节(),使之()。其目的是使()处于一个正确的固定位置。
【简答题】Diese schwierige Arbeit konnte schneller erledigt werden, als man erwartet ____.
【简答题】Panasonic( )
【单选题】In which of the following countries do mobile phone markets grow most rapidly according to Patricia Michael?
A.
Developing countries.
B.
Developed countries.
C.
African countries.
D.
American countries.
【简答题】细菌芽孢有何特性?对细菌本身和生产实践有何意义?说明芽孢的抗性机制。
【单选题】According to the passage, a typical businessman is usually considered to be ______.
A.
obstinate and hostile
B.
sociable and sympathetic
C.
ill-mannered and simple-minded
D.
shameless and ungraceful
【简答题】Panasonic makes a camera with a built-in GPS that can automatically geotag every photograph you take, allowing picture-sharing sites to show where the photo was taken.
【单选题】It can be inferred from the passage that the new products of Panasonic, Netgear, Marantz_______.
A.
can directly move data by home electrical wiring
B.
are adapters or a similar system to transfer data
C.
provide the present Wi-Fi criteria for wireless networking
D.
were produced for home electrical lines last month
【单选题】If one party makes a strong plausible opening in the right way, that opening can often
A.
cause the other party to rethink his or her position.
B.
lead to an adversarial event.
C.
sabotage the whole negotiation process.
D.
cause the other party to lose confidence.
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