单选题：It is indicated that materials stronger than natural silk ca

题目内容：

It is indicated that materials stronger than natural silk can be expected in the future. A．Right
B．Wrong
C．Not mentioned

参考答案：

答案解析：

It can he inferred from the passage that England is rarely h

It can he inferred from the passage that England is rarely hit byhigh magnitude

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根据下列选项，请回答题：Section B Directions: In this section, you will hear 3 short passa

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