[单项选择]Recent studies have suggested that weight training ________.

[单项选择]Recent studies have suggested that weight training ______.

[单项选择]Recent studies have identified four major global environmental risks: acid rain, ozone depletion, deforestation and the greenhouse effect.
A. recognized
B. proved
C. got rid of
D. multiplied

[单项选择]Recent studies have shown that the stature of male Americans has scarcely changed in the past two hundred years.
A. weight
B. height
C. life span
D. head size

[单项选择]Recent studies have posed the question as to whether there is a link between thing and that person.
A. supposed
B. poged
C. aroused
D. raised

[单项选择]Recent psychological studies have shown that many children develop ______ fears of dangers.
A. imagination
B. imaginary
C. imaginable
D. imaginative

[单项选择]Studies of friendships have indicated that in seeking friends we ______.


A. want to be flattered
B. are looking for sympathy
C. think they resemble us more than they really do
D. insist on them having similar attitudes to ourselves

[单项选择]Studies of friendships have indicated that. in seeking friends we______.


A. want to be flattered
B. are looking for sympathy
C. think they resemble us more than they really do
D. insist on them having similar attitudes to ourselves

[单项选择]

Recent years have brought minority-owned businesses in the United States unprecedented opportunities—as well as new and significant risks. Civil rights activists have long argued that one of the principal reasons why Blacks, Hispanics, and other minority groups have difficulty establishing themselves in business is that they lack access to the sizable orders and subcontracts that are generated by large companies. Now Congress, in apparent agreement, has required by law that businesses awarded federal contracts of more than ＄ 500,000 do their best to find minority subcontractors and record their efforts to do so on forms filed with the government. Indeed, some federal and local agencies have gone so far as to set specific percentage goals for apportioning parts of public works eon- tracts to minority enterprises.
Corporate response appears to have been substantial. According to figures collected in 1977, the total of corporate contracts with minority businesses rose
A. disabled.
B. increasing.
C. fatal.
D. unbearable.