You are carrying triethylamine，methyl methacrylate and isoprene in your multiple-product tanker. Which of the following statements is true?
A.Isoprene may be carried in a cargo tank adjacent to either of the other two cargoes
B.Methyl methacrylate may not be carried in a tank adjacent to a pump room
C.Methyl methacrylate must usually be heated to maintain its stability
D.Portable thermometers are not permitted to be used to take the cargo temperature of triethylamine
第1题：
When traveling, you are advised to take travelers’ checks, which provide a secure ____to carrying your money in cash.A. substitute B. preference C. selection D. alternative
D alternative = choice
第2题：
Thank you for your gifts, but you ____ such expensive things.
A. mustn’t buy
B. shouldn’t buy
C. mustn’t have bought
D. shouldn’t have bought
第3题：
A.do
B.did
C.don’t
D.didn’t
第4题：
You are carrying cargoes of crotonaldehyde，phosphoric acid，and morpholine on your multiple-product tanker. Which of the following statements is TRUE?
A.Each of the cargoes must be segregated from the other by at least two barriers
B.The minimum protective clothing required for taking samples of phosphoric acid is goggles or a face shield
C.Aluminum，copper，and zinc are prohibited in all valve parts in contact with these cargoes
D.The required warning sign must have the legend "cancer hazard" added to it
第5题：
【T13】
A.DROP OUT
B.FOR YOUR SOCIETY
C.TAKE EFFECT
D.THE LAUNCHING PAD A.THE FAMOUS LAW OF DIMINISHING RETURNS BEGINS TO【T13】______
B.YOU ARE ON【T14】______
C.YOU CAN SUCCESSFULLY【T15】______IN GRADE SCHOOL
D.PROVIDE MANPOWER【T16】______ WHEN THEY ADVISE YOUR KIDS TO "GET AN EDUCATION" IF YOU WANT TO RAISE YOUR INCOME, THEY TELL YOU ONLY HALF THE TRUT
H.WHAT THEY REALLY MEAN IS TO GET JUST ENOUGH EDUCATION TO【T17】______, BUT NOT TOO MUCH THAT YOU PROVE AN EMBARRASSMENT TO YOUR SOCIETY.GET A HIGH SCHOOL DIPLOMA,AT LEAST.WITHOUT THAT,YOU ARE OCCUPATIONALLY DEAD,UNLESS YOUR NAME HAPPENS TO BE GEORGE BERNARD SHAW OR THOMAS ALVA EDISON AND【T18】______.GET A COLLEGE DEGREE, IF POSSIBL
E.WITH A
B.A.,【T19】______.BUT NOW YOU HAVE TO START TO PUT ON THE BRAKES.IF YOU GO FOR A MASTER"S DEGREE, MAKE SURE IT IS AN
M.
B.A., AND ONLY FROM A FIRST-RATE UNIVERSITY.BEYOND THIS,【T20】______.
第6题：
A、I suggest that you should give it up.
B、You can’t adopt it.
C、You mustn’t use it.
第7题：
If you don’t want to wash your jacket, you can send it to a ______.
A、participant
B、planet
C、laundry
D、ribbon
第8题：
A.you to delay making
B.your delaying making
C.your delaying to make
D.you delay to make
第9题：
If you don't answer your friends' letters, it seems to say that ______.
A. your friends is too busy to read a letter
B. your friend hates to receive a letter
C. your friend is not worthy of your letter
D. your friend should not have written you a letter
40．答案为C。根据题干找到第二段最后一句，To a letter unanswered is like saying，“I don't think you are worth the time and effort it takes to write a letter．”作出该项选择。
第10题：
You are on a multiple product tanker and carrying methyl acrylate，diethanolamine，and triethylamine. Which statement is TRUE?
A.Methyl acrylate may be loaded in a tank adjacent to diethanolamine but not triethylamine
B.The heating coils to the cargo tank loaded with methyl acrylate must be blanked off
C.Valve components made of aluminum，copper，or zinc may not be in contact with the cargoes
D.Each crew member working on deck must have an emergency escape breathing apparatus