Which of the following sentences is grammatically INCORRECT？A．I hereby promise I"ll be the
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Which of the following sentences is grammatically INCORRECT？
A．I hereby promise I"ll be there.
B．Water makes up some 70 percentage points of the body.
C．The East Airlines serves passengers and customers all over the world.
D．He remained calm in the face of the impending danger.
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正确答案：B
语法规则题。根据题意可知，本题需要选的是一个有语法错误的句子。在[B]中，70percentagepointsof表述错误，正确的应为70percentof。其余三项语法均正确，因此答案为[B]。