A recent announcement by scientists ____ they have successfu

A recent announcement by scientists ____ they have successfully cloned the first human embryo has caused much debat.
A.in which B.that
因为是同位语从句,那为什么不能看成是定语从句呢,in the announcement不是也可以吗
风流剑侠 1年前 已收到3个回答 举报

阿谅 幼苗

共回答了25个问题采纳率:80% 举报

选择B
A recent announcement by 《《scientists that they have successfully cloned the first human embryo》》 has caused much debat.
明白了吗?

1年前 追问

2

风流剑侠 举报

= =我没明白怎么办

举报 阿谅

that they have successfully cloned the first human embryo 这些是给scientists作定语的,用来限定scientists的,明白了吗? 不明白?

孤独的rr 幼苗

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定语从句的话先行词是???

1年前

2

lengxia1230 幼苗

共回答了2764个问题 举报

因为根据从句的意思判断是对announcement进行解释说明的,而不是限定是哪个announcement的
in the announcement 的话就在从句中做了状语了,而that引导同位语从句时本身在从句中是不做语法成分的,只起到引导词的作用。

1年前

1
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