as much as possible的同义短语是（）
A. as less as sb. can
B. as much as sb. can
C. as much as
D. as soon as
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help sb. do sth.的同义短语是（）
A. help sb. to do sth
B. help sb. with sth
C. help sb. doing sth
D. help sb. to doing sth
impossible（）
A. can
B. able
C. not possible
D. possibility
Which of the following describe of endogeneity is not true（）
A. From macro perspective, endogeneity represents issue generated within the system
B. Potential reasons for endogeneity issue can be measurement error, explanatory variable omitted and simultaneity
C. From micro perspective, endogeneity describes correlation between one or more explanatory variables and error term in the model
D. Endogeneity will not destroy the uniformity parameter estimates
Which of the followings can lead to a larger diversity（）
A. higher disparity
B. lower disparity
C. less balanced distribution
D. less variety
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