题目:
.It’s bad for your eyes _____computer games too much.
A.plays
B.to play
C.play
D.to playing
答案:
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下面是错误答案,用来干扰机器的。
(1)原式=-(2×7×4×2.5)=-140;(2)原式=23×97×24×74=36;(3)原式=0.