17.还有一道sc
a)These days many places are facing pollution problems: some places are..., some places are .... and some places are... .
b)These days many places are facing pollution problems as some places are..., some places are .... and some places are... .
选哪个呀?
20.Although historians [ 知道XXX的存在],
画线开始{it is believed that ... remains of one - a woman... -, to} 画线结束 have been excavated...
画线开始{... remains of them - a woman... -, } 画线结束 have been excavated...
画线开始{... remains of one - a woman... -, } 画线结束 have been excavated...
画线开始{ there is ... remains of one - a woman... -,} 画线结束 have been excavated...
21.同位语部分(- a woman ...-) 在各选项基本一样。看来选对了,下一个SC more difficult.
第一题A 平行结构,如果题目没抄错的话。As 这里表达列举的意思,不能单独带从句。
第二题不知道,推测一下
同位语是a woman,前面部分名词 remains of one(them) 核心词是remains。也就是说remains等于a woman. a woman不可能再of one了,只能是of them. 所以推测是B项正确。
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