[单项选择]______is often more difficult to find trained men than to get financial support for scientific research.
A. It
B. That
C. This
D. What

[单项选择]______ is often more difficult to find trained men than to get financial support for scientific research.
A. It
B. That
C. This
D. What

[单项选择]It is often more difficult than to get financial support for scientific research.
A. obtaining trained men
B. to find trained men
C. in getting men trained
D. recruiting experienced men

[单项选择]The Board of Directors decided that more young men who were qualified would be ______ important positions.
A. attributed to
B. furnished with
C. installed in
D. inserted into

[单项选择]Women are often said to be more _______ than men.
A. liable
B. identical
C. emotional
D. immense

[单项选择]More and more men go to the gyms because ______.

[单项选择]The forest guards often find campfires that have not been ______ completely.
A. turned down
B. put out
C. put away
D. turned over

[单项选择]

Task 1
Learners of a new language often find themselves in ambiguous (有歧义的) situations. These situations are characterized by complexity, novelty (新颖), unexpectedness, or a lack of clear-cut (清晰的) solutions. Such ambiguity arises when a person does not understand a sentence, paragraph, or conversation because it contains unfamiliar words or structures. Persons who dislike uncertainty tend to become confused and frustrated, perhaps withdrawing from the situation. They may give up or, in the most extreme cases, even go so far as to avoid further contact with the language. They prefer safe situations in which everything has been practiced, and explained.
However, such behavior is not constructive because language students must learn to cope with uncertainty. Uncertainty is an inescapable part of communication. When someone speaks, he may occasionally feel unsure about his ability to get his message across. Even in the case of native speakers, there may be a lack of c
A. produce a normal flow of speech
B. get one's ideas across slowly
C. create native-like talks
D. say something at once

[单项选择]If your jokes often find a ready echo in a person, you will learn through ______ that telling jokes to this person is fun, and you will try with greater efforts to be humorous in his presence.
A. classical conditioning
B. operant conditioning
C. neither of them
D. some other sorts of conditioning

[单项选择]Colour-blind people often find it difficult to ______ between blue and green.
A. separate
B. compare
C. distinguish
D. contrast

[单项选择]Color-blind people often find it difficult to ___________ between red and green.
A. identify
B. distinguish
C. separate
D. compare