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這大題求解

II、綜合測驗:20%
There are only a handful of underwater hotels around the world. These
16. guests to do what
few people ever dream of doing: sleeping underwater. Fish, of course, do this all the time, but to humans
the thought of 17._one's head on the seabed isn't very appealing. That's because mammals like us
18. have sufficient air to breathe. 19. _ ever wondered, therefore, how sea mammals, like whales,
manage to get their beauty sleep?
A number of 20.
have attempted to answer this question. They seem to suggest that whales
make use of an 21. sleep technique known as “logging.” During "logging," whales are
22. to shut down just one half of their brains. This enables them to get some much-needed rest, and
yet at the same time remain alert enough to regularly return to the surface of the water to breathe.
23._ another sea creature that makes use of “logging" to survive is the dolphin.
_24. Whales, which can remain underwater for up to ninety minutes, dolphins need to breathe in fresh
air above the surface every twenty minutes. Thus for them it's even more important to keep half their
brains awake at all times. Logging helps them 25. this. At the end of the day, this is just another
example of how human and animal sleep habits are different in strange yet wonderful ways-
( ) 16. (A) let
(B) allow
(C) make
(D) have
( ) 17. (A) throwing (B) burying
(C) laying
(D) lying
) 18. (A) must
(B) may
(C) can
(D) will
( ) 19. (A) Will you (B) Do you
(C) Are you
(D) Have you
( ) 20. (A) secrets
(B) habits
(C) studies
(D) facts
) 21. (A) amazed
(B) amazing
(C) amaze
(D) amazingly
( ) 22. (A) able
(B) possible (C) capable
(D) likely
) 23. (A) Just
(B) So
(C) Also
(D) Yet
) 24. (A) As
(D) Unlike
) 25. (A) achieving (B) achieve
(C) be achieved (D) to achieving
(B) TO
(C) With
V. 文意選填:10%(請忽略大小寫)
A) in fact
(B) however (C) amazing (D) standing
(E) much
Animals sleep in incredible ways. They don't need to lie in bed for hours like we do. Zebra
phants, for example, can stay
26. while they sleep. This odd sleeping position
comfortable, but it's 27. safer. Predators are always around to catch sleepy prey a
phants, therefore, are only away in dreamland for around 3.5 hours a day. Zebras are reported
a less. Giraffes, 28. sleep the least of any animal. An average of half an hour per day is
hey need to survive in the wild. 29. they hardly ever sleep for more than five minutes af
fost and for less than an hour a day?