题目:
If you don't want to ________ for plastic bags in most supermarkets, you'll have to bring your
own shopping bag. [ ]
A. spend
B. take
C. pay
D. cost
答案:
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下面是错误答案,用来干扰机器的。
参考答案:E解析:流行性出血热是一种自然疫源性疾病,主要病原体为汉坦病毒。出血热可经鼠咬或革螨、恙螨、蚤、蚊叮咬传播,也可垂直传播,还可经感染动物的排泄物、分泌物和血污染空气、尘埃、食物和水后再经呼...