在船长80m及80m以上但小于120m的货船上，应使救生艇的尾端在船舶_爱下问搜题

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问题单项选择题

在船长80m及80m以上但小于120m的货船上，应使救生艇的尾端在船舶推进器之前的距离至少为该艇的长度；在船长为120m及120m以上的货船及船长为80m及80m以上的客船，应使救生艇的尾端在船舶推进器之前的距离是多少？（）

A.至少为艇的长度

B.至少为救生艇长度的1.5倍

C.至少为救生艇长度的2倍

D.至少为救生艇长0.5倍

答案

参考答案：B

完形填空

完型填空。

     Miss Yang works in the library of No. 14 Middle School. She is very   1   and looks after the books
very   2 . She is very strict. Everyone must return the books   3   time. One day Meimei came to the
library. She   4   she couldn't find her library book "Red Star   5   China". Miss Yang asked her   6   for
it. At that moment, Lucy came and   7   a book to Miss Yang. It was Meimei's library book! Meimei
was very   8 . She thanked Lucy. Miss Yang   9   Meimei to be more careful from then   10 .

( )1. A. help
( )2. A. careful
(    )3. A. on
( )4. A. says
( )5. A. in
(    )6. A. pay
(    )7. A. show
(    )8. A. pleased
(    )9. A. tell
(    )10.A. in

B. helps
B. more careful
B. in
B. said
B. on
B. paying
B. shows
B. pleasing
B. tells
B. on

C. helpful
C. carefully
C. for
C. has said
C. over
C. paid
C. shown
C. place
C. told
C. over

D. helping
D. more carefully
D. with
D. saying
D. about
D. to pay
D. showed
D. happily
D. said
D. of

填空题

阶段浮选流程可以减少有用矿物过磨，并相应地减少了（）流失。