单项选择题

A．lose weightB．sweatC．build musclesD．gain confidenceOne……

One way in which exercise can improve our health is that it helps us to________.

A．lose weight
B．sweat
C．build muscles
D．gain confidence

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单项选择题On role-playing, the passage seems to indicate that chairman

A． talks as much as participants.
B． is usually a "constant talker".
C． prefers to take the role of an observer.
D． is frequently outshone by participants.

单项选择题A．expand and improve the existing subway system.B．build underground malls and parking lots.C．prevent further land subsidence.D．promote advanced technology.

A．expand and improve the existing subway system.
B．build underground malls and parking lots.
C．prevent further land subsidence.
D．promote advanced technology.

问答题agreeing—agreed

单项选择题Which of the following statements is INCORRECT

A． Migration exerts a great impact on population change.
B． Migration contributes to mankind’’s progress.
C． Migration brings about desirable and undesirable effects.
D． Migration may not be accompanied by human conflicts.

单项选择题According to the passage, which of the following is NOT the writer’’s opinion

A．Countries paid a heavy price for whichever measure taken.
B．Countries all found themselves in an economic dilemma.
C．Withdrawal of foreign capital resulted in the crisis.
D．Most governments shose one of the two options.