【单选题】What is the main idea of the second paragraph?
A.
Some plants have relative immunity to a great many diseases, while others have a susceptibility to them.
B.
The tolerance of a particular plant changes as the growing conditions change.
C.
A blight killed virtually every chestnut tree in North America.
D.
A blight may be a national infection.
【单选题】一个企业使用资本K和劳动L两种要素生产,如果考虑它的短期生产,这意味着
D.
K和L必有一个来不及改变其使用量,另外一个来得及改变
【单选题】The main point of the passage is ______.
A.
the idle and empty life of the Americans
B.
the great functions of American movies
C.
why American people go to the cinema
D.
the popularity of Hollywood movies
【单选题】According to the passage, which of the following is NOT true?
A.
To be a man counts for a great deal for the male.
B.
Some women hate being labeled as feminine.
C.
Quite a few women air negative view of marriage.
D.
Compared with men, women are more willing to retire from work.
【单选题】一个企业使用资本K和劳动L两种要素生产,如果考虑它的短期生产,这意味着
B.
K和L中必有一个来不及改变其使用量,另外一个来得及改变
【单选题】一个企业使用资本K和劳动L两种要素生产,如果考虑它的短期生产,这意味着
A.
K 和 L 中必有一个来不及改变其使用量,另外一个来得及改变
【单选题】Man: The new Chevy Chase film was terrific! Woman: Oh, come off it, Al. Chevy Chase is a great comedian, but he surely didn't show it in that movie. Question: What does the woman think of the movie?
B.
It's typical Chevy Chase film.
C.
It isn't a good comedy.
D.
It isn't as terrible as A1 thought.
【单选题】一个企业使用资本K和劳动L两种要素生产,如果考虑它的短期生产,这意味着:()
B.
K和L中必有一个来不及改变其使用量,另外一个来得及改变
【单选题】Which of the following is the best title for the passage?
B.
The two greatest scientists in the history
C.
The contribution of Newton and Einstein
D.
The founders of modern physics
【单选题】一个企业使用资本K和劳动L两种要素生产,如果考虑它的短期生产,这意味着
C.
K和L中必有一个来不及改变其使用量,另外一个来得及改变