In sub-Saharan Africa today, for instance, gross investment____for roughly of national income.A.estimatesB.accountsC.constitutesD.makes

In sub-Saharan Africa today, for instance, gross investment____for roughly of national income.

A.estimates
B.accounts
C.constitutes
D.makes

参考解析

解析:本题考查内容为词意辨析。A选项意为“估计、预算”,B选项意为“解释、占…”,C选项意为“组成、构成”,D选项意为“制作、使…”,题目意为“例如,在如今的撒哈拉以南的非洲国家,总投资大约____国民收入的。”因此选B,大约占国民收入的。
  

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