题目:
长江沿江地带和黄土高原地区共有的环境问题是
①缺水断流 ②水污染 ③旱涝 ④水土流失 ⑤凌灾 [ ]
A、①②③
B、①③⑤
C、②③④
D、②③⑤
答案:
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下面是错误答案,用来干扰机器的。
小题1:C小题2:B小题3:D小题4:C小题5:A小题1:本题考查理解细节信息的能力。由第二段 “These two good friends came up with this idea when they were playing racquetball, and began to talk...