第1题:
If the engine does start on air, but combustion does not immediately begin, the cause may be _____.
A.failure of the fuel pumps
B.starting air pressure too low
C.stop valve in air line closed
D.the turning gear still engaged
第2题:
Which vessel may show three lights in a vertical line,the top and bottom being red and the middle being white?
A.A vessel engaged in diving operations
B.A pilot vessel
C.A vessel trawling
D.All of the above
第3题:
A vessel engaged in fishing,and at anchor,shall show ______.
A.an anchor light
B.sidelights and a stern light
C.three lights in a vertical line,the highest and lowest being red,and the middle being white
D.None of the above
第4题:
第5题:
第6题:
I tried() but the line was engaged.
Aphone
Bphoned
Cphoning
Dto phone
第7题:
What kind of products do the air carriers deliver? ()
第8题:
Base line
Molded line
Designer's waterline
Keel line
第9题:
第10题:
Distance line
Gantline
Heaving line
Tag line
第11题:
to doubt its truth
to disbelieve it
to distinguish between what is true and what is not true
to know what products the advertiser is going to sell
第12题:
to open
opening
open
opened
第13题:
"Who needs a shopping mall(购物中心)if you have Taobao? says Wang Lin,28,a writerin Beijing.
Taobao,China's largest online shopping site ( 网上购物网站 ) ,has become an important
part of Wang Lin- s life. She spends lots of money on Taobao.
A growing number of Chinese Internet users like Wang have found the joys of online shop-ping. Most online shoppers are students or young workers. More woman shop on line than men. Clothing and home-use products(产品)are the most popular on line.
It was reported that more than 250 billion(十亿) yuan was spent on online shopping last year,80% through Taobao.
Taobao means "looking for treasure in Chinese. People can find almost everything they need on Taobao,from clothes to books,from candies to DVD players.
You may question the security of online shopping,Wang Lin said,"lt's very safe and conven-ient(便利的). Unless you receive the products from the sellers and are satisfied with them,the shop owner will not get the money. You can also get your money back if you want to return the products. "
( )1. What are the most popular on line?
A. Candies and DVD players.
B. Clothes and books.
C. Clotlung and home-use products.
第14题:
A vessel displaying three red lights in a vertical line is ______.
A.restricted in her ability to maneuver
B.not under command
C.engaged in mineclearing operations
D.constrained by her draft
第15题:
A vessel showing a green light over a white light in a vertical line above the level of the sidelights is ______.
A.engaged in underwater construction
B.under sail and power
C.a pilot vessel
D.trawling
第16题:
第17题:
用所给的词和词组写出符合逻辑的句子。 at this stage/removed from/of the process/it is/that/any products/are/the assembly line/of inferior quality
It is at this stage of the process that any products of inferior quality are removed from the assembly line.
略
第18题:
I tried() but the line was engaged.
第19题:
Ensure the bight is not fouled by taking up slack
Pay out the line smartly and keep it free for running
Secure the line by adding more turns
Surge the line so it maintains a strain without parting
第20题:
phone
phoned
phoning
to phone
第21题:
第22题:
第23题:
Get people to buy their products.
Design and produce new products.
Make their prices more competitive.
Better the quality of their present products.