未知题型
“ (3) ”是访问某网站的正确网址。
D.ceiaeC.org@index-htm
- A.www.rkB.gov.cn
B.xyz@ceiaeC.org
C.ceiaeC.org/index.htm
【参考答案】
A
解析：正确选项为A。选项A是访问某网站的正确网址；选项B是E-mail地址格式；选项C和选项D的分隔符“\”......
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A.To
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未知题型
同卵双生子的大脑在遗传上是完全相同的。当一对同卵双生子中的一个人患上精神分裂症时，受感染的那个人的大脑中的某个区域比没受感染的那个人的大脑中的相应区域小。当双胞胎中的两个人都没有精神分裂症时，两人就没有这样的差异。因此，这个发现为精神分裂症是由大脑的物质结构受损而引起的理论提供了确定的证据。 下面哪一点是上述论述需要的假设?D.当一对同卵双生子都患有精神分裂症时，他们大脑的大小是一样的。
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