铁矿石的软化性是指()和矿石软化温度区间两个方面。

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问题:

铁矿石的软化性是指()和矿石软化温度区间两个方面。

考点:烧结工考试高级烧结工高级烧结工题库
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请用学过的化学知识,解释下列生活中的现象.

(1)槐花开了,漫步槐树林中能闻到浓郁的花香.

(2)盛水的铁锅与水面接触的位置有明显的锈渍.

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复数z=i(1-3i)(i为虚数单位)的虚部是______.

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第一节 完形填空

People joke that no one in Los Angeles reads; everyone watches TV, rents DVDs, or goes to the movies. The most popular reading material is comic books, movie magazines, and TV guides. City 21      has only 10 percent of the traffic that car washes have.

But how do you explain the following? An annual book festival in west Los Angeles is “22      ”,year after year. People wait half an hour for a parking space to become 23     .

This outdoor festival, 24       by a newspaper, occurs every April for one weekend. This year’s attendance was about 145,000. There were about 90 talks given by authors, with an       25        question period following each talk. Book lovers were also able to collect some of the signatures of their favourite authors. A food store sold all kinds of popular foods. 26           a$7 parking fee, the festival was free. Even so, some people 27          the food store prices by 28       taking in their own sandwiches and drinks.

The idea for the festival occurred years ago, but nobody knew if it would succeed.       29    book festivals were already popular in other US cities, would Los Angeles people welcome one?“Los Angeles people are very 30        ,”said one of the festival founders.

1. A. cinemas     B. libraries       C. supermarkets   D. parkings

2. A. broken out   B. carried out     C. sold out       D. run out

3. A. possible     B. available      C. acceptable     D. useful

4. A. bought      B. discovered     C. taken         D. sponsored

5. A. expert       B. accurate       C. audience      D. optimistic

6. A. Except for    B. Consisting of   C. Rather than    D. Along with

7. A. avoided      B. increased      C. asked         D. bargained

8.  A. openly     B. secretly       C. slowly         D. naturally

9.  A. As if      B. When         C. Even that       D. Although

10. A. confident   B. unexpected     C. friendly        D. unpredictable

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犬咬伤后如何处理

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世界上最早的文字广告出现在()。

A.中国

B.美国

C.埃及

D.英国

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