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【判断题】
伸展练习主要为肌肉的伸展练习。( )A.
正确
B.
错误
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举一反三
【单选题】If heavy sea strikes the ____ , the shock is transmitted through the tiller to _____.
A.
tiller arm; hunting gears
B.
tiller arm; the swivel blocks
C.
rudder, the swivel blocks
D.
rudder, rams
【单选题】A heavy steel device that is set on the sea floor and used as a drilling template in offshore drilling operations is called a ______.
A.
temporary guide base
B.
permanent guide base
C.
guide frame
D.
foundation template
【单选题】Heavy fuel oils when spilled are ______.
A.
more harmful to sea life than lighter oils
B.
easier to clean up than lighter refined oils
C.
less harmful to sea life than lighter oils
D.
not a real threat to marine life
【单选题】When a sea anchor is used in landing stern first in a heavy surf, sternway is checked by ( ).
A.
slacking the tripping line and towing the sea anchor from the stern
B.
slacking the tripping line and towing the sea anchor by the holding line
C.
towing with the tripping line and leaving the holding line slack
D.
towing the apex end forward with the tripping line
【单选题】肉类脂肪大部分为
A.
不饱和脂肪酸
B.
必需脂肪酸
C.
c 饱和脂肪酸
D.
1． D 非必需脂肪酸 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
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