单选题：The MIT team had tried different materials before they studi

题目内容：

The MIT team had tried different materials before they studied natural silk in their research. A．Right
B．Wrong
C．Not mentioned

参考答案：

答案解析：

Schmidt-Morand's favorite animal is cat.

Schmidt-Morand's favorite animal is cat.A．Right B．Wrong C．Not mentioned

分类：理工类题型：单选题

This species has nearly died out because its habitat is being destroyed.A．turned

分类：理工类题型：单选题

回答(50)题A．Jennifer Thompson decided to meet Cotton and apologize to him personall

分类：理工类题型：单选题

DNA fingerprinting was first used in __________.A．criminal investigation B．anima

分类：理工类题型：单选题

Two people might feel different emotions about the same thing.A．Right B．Wrong C．

分类：理工类题型：单选题