方程的解为()。
的解为()。
A.λ=-1
B.λ=4
C.λ=-1或λ=4
D.无解
正确答案是C
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Complete the following sentence with a (compound) word derived from the one(s) given in bracket. Write your word on the ANSWER SHEET.
In the later period of the war, enemy planes began to ( ) the city even in the daytime. (bomb)
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