[单项选择]At normal sea going, we use （） instead of donkey boiler.
A. a heater
B. a pre-heater
C. an exhaust gas boiler
D. the coal burning boiler

[单项选择]At sea，we can use（）to fix the ship’s position.
A. VHF
B. Steering Gear
C. Rudder Indicator
D. Loran

[单项选择]We use （） to distill fresh water from sea water.
A. engine
B. sea water pump
C. cylinder cooler
D. fresh water generator

[单项选择]We are going to have a singing party tonight. Would you like to join us?（）
A. I'm afraid not, because I have to go to an important meeting.
B. Of course not. I have no idea. 
C. No, I can't.
D. That's all set.

[单项选择]We always（）our wedding anniversary by going out to dinner.
A. make
B. hold
C. celebrate
D. remember

[单项选择]

From childhood to old age, we all use language as a means of broadening our knowledge of ourselves and the world about us. When humans first 1 , they were like newborn children, unable to use this 2 tool. Yet once language developed, the possibilities for human kind’s future 3 and cultural growth increased.
Many linguists believe that evolution is 4 for our ability to produce and use language. They 5 that our highly evolved brain provides us 6 an innate language ability not found in lower 7 . Proponents of this innateness theory say that our 8 for language is inborn, but that language itself develops gradually, 9 a function of the growth of the brain during childhood. Therefore there are critical 10 times for language development.
Current 11 of innateness theory are mixed, however, evidence supporting the existence of some innate abilities is undeniable. 12 , more and more schools are discovering that foreign languages are best taught in 13 grades. Young chi
A. generated
B. evolved
C. born
D. originated

[单项选择]A donkey boiler is （）.
A. one to supply steam to the main propulsion turbine
B. an auxiliary boiler
C. A and B
D. neither A nor B