北半球在台风范围内若风向反时针变化,说明船处台风的().A、左半圆 B、右半圆 C、

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问题:

北半球在台风范围内若风向反时针变化,说明船处台风的().

A、左半圆

B、右半圆

C、进路前

D、进路后

考点:海上货物运输船舶货运基础知识船舶货运基础知识题库
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已知:若三点A(1,4),B(2,m),C(6,-1)在同一条直线上,求m的值.

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我市农业结构调整取得了巨大成功,今年水果又喜获丰收,某乡组织30辆汽车装运A、B、C三种水果共64吨到外地销售,规定每辆汽车只装运一种水果,且必须装满;又装运每种水果的汽车不少于4辆;同时,装运的B种水果的重量不超过装运的A、C两种水果重量之和.
水果品种ABC
每辆汽车运装量(吨)2.22.12
每吨水果获利(百元)685
(1)设用x辆汽车装运A种水果,用y辆汽车装运B种水果,根据下表提供的信息,求y与x之间的函数关系式并写出自变量的取值范围;
(2)设此次外销活动的利润为Q(万元),求Q与x之间的函数关系式,请你提出一个获得最大利润时的车辆分配方案.
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按要求填空

小题1:某种粒子有1个原子核,核中有8个质子,10个中子,核外有10个电子,该粒子的化学符号是____________。

小题2:某分子中有4个原子核,共有18个电子,这种分子的电子式是______________。

小题3:1mol烷烃CnH2n+2含共价键的数目为            

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呼吸系统中的      、咽、      、气管、支气管是气体进出     的通道。呼吸道不仅能保障气体         ,而且还能对吸入的气体进行处理,使到达肺部的气体          

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The nobler and more perfect a thing is, the later and slower it is becoming mature. A man reaches the mature (1) of his reasoning powers and mental faculties (2) before the age of twenty-eight; a woman at eighteen. And then, too, in the case of woman, it is the only reason of a sort--very mean in its (3) . That is why women remain children their whole life long; never seeing (4) but what is quite close to them, (5) fast to the present moment, taking appearance for (6) , and preferring (7) to matters of the first importance. For it is (8) his reasoning faculty that man does not live in the present only, (9) the brute, but looks about him and considers the past and the future; and this is the origin of (10) , as well as that of care and anxiety which so many people (11) Both the advantages and the disadvantages, which this (12) , are (13) in by the woman to a smaller extent because of her weaker power of reasoning. She may, in fact, be described as intellectually shortsighted, (14) , while she has an immediate understanding of what lies quite close to her, her field of (15) is narrow and does not reach to what is (16) ; so that things which are absent, or past, or to come, have much less effect upon women than upon men. This is the reason why women are inclined to be (17) and sometimes carry their desire to a (18) that borders upon madness. In their hearts, women think it is men’s business to earn money and theirs to spend it--if possible during their husband’s life, (19) , at any rate, after his death. The very fact that their husband hands them (20) his earnings for purposes of housekeeping strengthens them in this belief.

7()

A.fragments

B.trifles

C.remains

D.substances

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