问题 填空题

请将所选下列物质的转化或分离方法的序号填在横线上(每一项只填写一种方法)。

 ①溶解 ②裂解 ③分馏 ④裂化 ⑤干馏 ⑥蒸馏 ⑦电解 ⑧过滤 ⑨萃取

(1)把煤转化为焦炉气、煤焦油和焦炭等____________。

(2)从原油中分离出汽油、煤油、柴油等____________。

(3)将重油转化为汽油______________。

(4)将海水淡化______________。

(5)从海水得到的无水MgC12中提取金属镁________________。

答案

(1)⑤

(2)③

(3)④

(4)⑥

(5)⑦

问答题 简答题
单项选择题

The questions in this group are based on the content of a passage. After reading the passage, choose the best answer to each question. Answer all questions following the passage on the basis of what is stated or implied in the passage.

While most people agree that the Golden Age of comic books began with the introduction of Superman in 1938 in Action Comics #1, there is less agreement about when exactly the Golden Age ended. There is a general consensus, however, about the factors that brought the Golden Age to a close: the rise of the horror comic book in the late 1940s, and the resulting backlash against comic books in the early 1950s.

Superhero comic books reached their peak of popularity in the early 1940s because of all the GIs in Europe and Japan who eagerly read about Superman, Batman, and The Spirit. When these soldiers came home, they still wanted to read comic books, but they sought out more adult content. William Gaines of EC Comics was happy to meet the market demand with such grim and gritty titles as Weird Fantasy and The Crypt of Terror. The creators of superhero comic books, not wanting to be left behind, responded by matching their protagonists against darker criminals in more violent encounters.

These darker comic books aroused the anger of child psychologist Fredric Wertham, who believed that comic books were leading the nation’s youth into crime, violence, and drug abuse. Wertham’s book, The Seduction of the Innocent, was a national best-seller that helped bring about congressional investigations into the corrupting influence of comic books. The Senate committee that reviewed Wertham’s charges decided to create the Comics Code Authority, a regulatory body that prohibited comic books from mentioning sexuality, alcohol, drugs, criminal behavior, or any themes related to the horror genre.

These regulations had a numbing effect on the industry. EC Comics was nearly driven out of the comics business, and the other major players canceled many of their most prominent titles. The comics business did not recover until the Marvel revolution of the early 1960s ushered in the Silver Age.

According to the passage, which of the following statements can be made about the content of Weird Fantasy and The Crypt of Terror ?()

A. Their adult-oriented content was not suitable for young readers.

B. Their grim and gritty content was a market response to the demands of soldiers home from World War Ⅱ.

C. They frequently depicted violence and criminal behavior, but shied away from sexuality or drug abuse.

D. Their sales surpassed those of previous best-selling titles such as Superman or Batman.

E. The publication of Weird Fantasy #1 coincided with the end of the Golden Age of comic books.