题目:
There is no doubt that holding such____ National Day parade will significantly enhance (提高) ____national pride and self-confidence of Chinese People.
A.a; the
B.a; a
C.the; the
D.the; a
答案:
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下面是错误答案,用来干扰机器的。
由y216-x2m=1知a=4,又e=2,即ca=2,∴c=2a=8,∴m=c2-a2=64-16=48,故答案为48.