[题目]Marie Curie also the use of X-ray machines, now widely used in hospitals.A. pushed for, which is B. pushed out, which areC. pushed for, which are D. pushed in, which is 题目和参考答案——青夏教育精英家教网—

题目内容

【题目】Marie Curie also ________ the use of X-ray machines, ________ now widely used in hospitals.

A. pushed for, which is B. pushed out, which are

C. pushed for, which are D. pushed in, which is

【答案】C

【解析】

试题分析：句意：玛丽居里也推广X射线机的使用，目前已广泛应用于医院。此题考查固定短语be pushed for被推为和定语从句，因为先行词是machines是复数，故用are。根据句意，应选C。

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A. too, to B. so , that

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【题目】－Deng Ziqi is quite popular _____ the young now.

－So she is. She performed wonderfully _____ the night of the final.

A. among, on B. with, at

C. between, in D. among, in

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New research has found the longest living animal on Earth with a backbone is a shark.

The research, published in Science Magazine, found the Greenland shark is the longest living animal with a backbone in the world. The gray-colored sharks live in the cold water of the Arctic and are named after Greenland, the world's largest island. After examining one of these sharks, scientists decided it was born in the icy water about 400 years ago and died out recently.

An international team of biologists and physicists was able to estimate （估计）the ages of 28 dead female Greenland sharks by studying the lenses of their eyes. It is a new way to learn the age of an animal. Eight of the sharks were probably 200 years old or more, and could even have been 300 years old. That would make them older than some whales, which earlier were believed to have been the oldest animals at about 211 years old, according to the Associated Press.

This discovery also means that Greenland sharks can live more than three times longer than humans. Many people these days can expect to live into their eighties. African elephants average about 70 years. The oldest of the Greenland sharks the scientists studied was nearly 5 meters long. It was thought to have been 392 years old when it was caught four years ago. However, because the testing method is so new, it is not exact.

The study's lead expert is Julius Nielsen, a marine biologist from Denmark. He says the 392 number could have an error range （误差范围）of 120 years in either direction. That means the shark was probably born sometime between the years 1500 and 1740, with 1620 being the most likely.

"It's an estimate. It’s not a determination, “Nielsen said. "It is the best we can do."

Even at the lowest age, the shark would have been 272 years old when it died and still would be the longest-living animal with a backbone, Nielsen said.

“I don't know why they get so old, but I hope someone will find out, "Nielsen said.

【1】According to Science Magazine, the Greenland shark______.

A.is the longest living animal on earthB.seldom lives in the cold water of the Arctic

C.is an animal with a backboneD.still lives in the icy water now

【2】A new way to learn the age of a female animal is________ .

A.to estimate it by a biologistB.to examine its skin

C.to study the lenses of its eyesD.to discover the place of its birth

【3】The discovery means if people live into eighties, the shark might live into____years old.

A.almost 200B.less than 211C.over 320D.at least 450

【4】Which of the following statements is NOT true according to the passage?

A.The oldest of the Greenland sharks was nearly five meters long.

B.It can make sure that the oldest Greenland shark was 392 years old.