A pelican hook（）.
A . can be released while under strain
B . is used for boat falls
C . is used for extra heavy loads
D . is used for light loads only
相似题目
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A sail hook is used for（）.
A . hoisting a windsail
B . parceling
C . sewing canvas
D . testing canva
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产品成品上组装有不同数量的HOOK，其主要作用是（）
A . A.防止少锡
B . B.防止虚焊
C . C.导向
D . D.防止浮件
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When securing a hook to the end of a wire rope you should use（）.
A . A bowline knot
B . A long splice
C . An overhand knot with a wire rope clip
D . Wire rope clips with a thimble eye
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A long pole with a hook at one end，used to reach for lines，is known as a（）.
A . pike pole
B . jack staff
C . line rod
D . hooker
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The hatch at the after end of the canopy in a lifeboat（）the after lifting hook, painter, and tow line.
A . give access to
B . links up with
C . have contact with
D . is constructed of
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HOOK表示（）.
A . A.钩状回波
B . B.线状回波
C . C.实心回波
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RIA中出现的HOOK效应不正确的说法是（）
A . 常见于IRMA
B . 一步法产生的原因是由于大量过剩抗原与被捕获的抗原竞争结合限量的标记二抗
C . 二步法多与抗原的“质”有关
D . 可通过选用高亲和力的抗体改善
E . 对标本进行稀释无法改善
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Placing a lashing across a hook to prevent a fitting from slipping out of the hook is called （）.
A . faking
B . flemishing down
C . mousing
D . worming
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With a given load on the cargo hook，tension in a single span topping lift（）.
A . increases as the boom's angle to the horizontal increases
B . is at a maximum when the boom is at a 45° angle to the horizontal
C . increases as the boom's angle to the horizontal decreases
D . decreases as the boom's angle to the horizontal decrease
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Mousing a cargo hook with marline or small line（）.
A . increases the lifting capacity of the hook
B . protects the hook from the sling ring
C . prevents the sling ring from coming out of the hook
D . All of the above
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A pelican hook（）.
A . Can be released while under strain
B . Is used for boat falls
C . Is used for extra heavy loads
D . Is used for light loads only
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A block that can be opened at the hook or shackle end to receive a bight of the line is a（）.
A . bight block
B . gin block
C . heel block
D . snatch block
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Windows钩子（HOOK）指的是（）。
A . 钩子是指Windows窗口函数
B . 钩子是一种应用程序
C . 钩子的本质是一个用以处理消息的函数，用来检查和修改传给某程序的信息
D . 钩子是一种网络通信程序
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HOOK表示（）
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A towing hook may be released from the（）.
A . tug's engineroom or the bow
B . pilot house or aft steering station
C . forecastle
D . towing bitts by reaching over and releasing a lever
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4.They had little difficulty in hooking the fish, but pulling it out of the water proved to be a big problem.( )
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An _______ is a heavy hooked object that is dropped from a boat into the water at the end of a chain in order to make the boat stay in one place.
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hook过去式是( )
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胡克（ Robert Hooke ）发现的是植物的活细胞（ ）。
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Special extraneous risks mean risks caused by theft, rain, leakage, shortage, breakage, dampness, mildewing (a plant disease caused by fungi), heating, taint of odor, hooking, and rusting.
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胡克（ Robert Hooke ）发现的是植物的活细胞（ ）。
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最早发现细胞的遗传物质DNA分子为双螺旋结构的学者是 A、Schleiden and Schwann B、R．Hook and Leeuwenhook C、Watson and Crick D、Darwin
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Guest: I've hooked a double room for 3 nights under Fowler. Receptionist: ______
A．Good afternoon, how can I help you？
B．Are you taken care of, sir？
C．Can you spell it for me？
D．May I have your name？
