靠泊操纵中,超大型船舶接近码头的速度应低于:().A.5cm/s B.10cm/s

题型:单项选择题

问题:

靠泊操纵中,超大型船舶接近码头的速度应低于:().

A.5cm/s

B.10cm/s

C.15cm/s

D.20cm/s

考点:海船船员考试船舶管理(大副)船舶管理(大副)题库
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两栖动物的幼体生活在___________中,用___________呼吸,成体生活在___________上。

题型:单项选择题
完形填空      
     London is such a wonderful city. It lies    1   the west of England. The city has     2   parts: the South
and the North. In the North there are many important buildings , shops, big parks and interesting places.
The weather in London is    3   . In winter it is not very cold and in summer it is not very hot because the
city is    4   the sea. People say    5   London is a foggy city and that it often rains. It is true.
      I am in London now. I meet    6   fogs than before.You can hardly see your hand in front of your face.
Cars and buses move along with their lights on. When evening falls , the weather   7    even worse. The
fogs are as thick as milk.     8   the buses and cars stop. I    9    an important meeting on the other side of
the town, but it is impossible to find a car. I have to get there    10  .
( )1.A. about
( )2.A. four
( )3.A. nice
( )4.A. next
( )5.A. that
( )6.A. thick
( )7.A. becomes
( )8.A. All
( )9.A. to have
( )10.A. by car
B. of
B. six
B. bad
B. near
B. where
B. thicker
B. get
B. Each
B. have
B. by bus

C. in
C. five
C. sunny
C. in
C. there
C. the thickest
C. turn
C. Every
C. having
C. on foot

D. to
D. two
D. rainy
D. of
D. what
D. thickest
D. grow
D. None
D. has
D. by train
题型:单项选择题

按照供应商的重要性分类,即依据供应商对本单位的重要性和本单位对供应商的重要性进行分析,可以分为四种供应商类型。如果公司认为供应商有很强的产品开发能力,采购业务对公司很重要,而且供应商也认为公司的采购业务对他们也非常重要,那么这样的供应商是属于四种供应商中的( )。

A.优先型供应商

B.伙伴型供应商

C.专家级供应商

D.重点型供应商

题型:单项选择题

转动设备转速在750r/min及以下其轴承振动允许()mm。

A、0.085;

B、0.10;

C、0.12;

D、0.15。

题型:单项选择题

数理统计是研究大量随机现象的统计规律性。

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