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28.What is the biggest challenge submersibles face when exploring the Mariana Trench?
A.Working in complete darkness.
B.Navigating the path underwater.
C.Communicating in extremely low temperatures.
D.Dealing with the extremely high water pressure.
29.What does the underlined word“corrode'”most probably mean?
A.Improve.
B.Destroy.
C.Press.
D.Remove.
30.What allowed Fendouzhe to operate at the Challenger Deep?
A.The use of a new navigation system.
B.The use of an advanced tracking device.
C.The cabin made of a new titanium alloy.
D.The cabin designed in the shape of a giant fish.
31.Why are humans sent for underwater exploration instead of robots onboard Fendouzhe?
A.Robots can pick up insignificant signals
B.Robots can’t work well on the ocean floor.
C.Humans can conduct more complex ocean surveys.
D can detert things more effectively and flexibly.
衡中文化2021~2022学年度高三年级密卷考试(一)1英语试题