The atmosphere is marked with turbulences.
The deep waters are full of turbulent currents.
The atmosphere is heated from above.
The deep waters are heated from below.
第1题：
Which of the following statements about the warm-blooded mammals is true according to the text?
A. They can change their environments.
B. They can adjust body heat to keep their ideal temperature.
C. They can make food from chemicals.
D. They get most of their heat from the environment.
第2题：
According to the article, which of the following statements is not true?
A．Tightly sealed house may be harmful in another aspect.
B．The house is unsealed to prevent the air from leaking.
C．The air always leaks from cracks.
D．New house is worse than old one in the aspect of indoor pollution.
第3题：
Which of the following is TRUE according to the story?
A． The little girl was kind and helpful.
B． The video game was a prize from the store.
C． The writer paid for the video game for the boy.
D． The boy bought the video game himself from the store.
第4题：
vPath is a critical component in the VNS architecture. Which two are functions of vPath？（）
第5题：
Which statement is TRUE concerning deep well self-priming pumps ________．
A.When loading oil cargo，it is always loaded via the discharge line through to the pump until the tank is topped off
B.Stripping systems are generally eliminated for the purposes of cargo handling
C.In recent years deep well pumps have become increasingly unpopular in product tankers and medium size crude ships
D.There is no danger of damaging the pump from overheating
第6题：
A、still waters run very deep
B、a wise plays a fool
C、a wise man plays football
D、deep waters run no wave
第7题：
Which statement is TRUE concerning the ventilation of engine and fuel tank compartments on uninspected towing vessels using fuel with a flash point of 100°F?
A.There shall be at least 3 ventilator ducts open to the atmosphere
B.At least one exhaust duct shall extend from the open atmosphere to the lower portion of the bilge
C.At least one intake duct shall extend from the open atmosphere to the lower portion of the bilge
D.Only vessels using fuel with a flash point above 110°F need ventilate engine and fuel compartments
第8题：
According to the passage, which is true about the ocean?
A. The waters of the ocean came from rain water.
B. The ocean was formed from the, lighter rock materials.
C. The vast single ocean formed about 200 million years ago.
D. The ocean covered the whole surface of the earth at very beginning.
45．答案为A。选项A符合第二段内容。选项B与原文不符；选项C与第三段最后一句及最后一段不符；选项D与原文第二段最后一句不符。
第9题：
第10题：
Which of the following is the primary purpose of impedance matched volume control？（）