解析 C。解析:这里考查表语从句。从句“the new technology really benefits people's lives”不缺成分,但根据句子意思“让我困惑的是新技术是否真的对人们生活有益”,表示疑问,所以用whether而不用that。if不能用于表语从句,所以不选;which在表语从句中要充当成分,这里不适用。
解析 A。解析:“What makes this new technology so attractive”是主语从句,what 在从句中作主语。that 在名词性从句中不充当成分,此句缺少主语,所以 B 项错误。which 表示“哪一个”,在此处不合适,C 项错误。who 表示“谁”,与句子意思不符,D 项错误。
解析 A。本题考查主语从句。“What makes the new technology so popular”在句中作主语,what 在主语从句中充当主语,表示“……的东西”。B 选项 which 表示“哪一个”,在主语从句中要有特定的选择范围;C 选项 that 在主语从句中不充当成分,只起连接作用;D 选项 who 表示“谁”,不符合题意。
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wait for the technician, who can always be rather busy or lazy.what does modern technology really bring to us? now i am also thinking about another quesiton:" if my computer breaks down right now and this article suddenly disappear, how will i feel and what should i do?"...