《2025年赢在微点高考复习顶层设计英语外研版》

4. 句式 2 the reason + why 引导的定语从句 (……的)原因是……
Sadly，human activity is the main reason why the number of monarch butterflies is falling. 可悲的是，人类活动是黑脉金斑蝶数量下降的主要原因。
1)The reason why/for which...is/was that... 意为“……的原因是……”，why 在定语从句中作状语，that 引导表语从句。
2)reason 作先行词，且关系词在定语从句中作主语或宾语时，一般用 that/which 引导定语从句，作宾语时，还可以将引导词 that/which 省略。
3)This/That is why... 这/那就是为什么……
4)This/That is because... 这/那是因为……
① The reason why I fail to go out with you is that I have to care for my sick grandfather. 我不能和你外出是因为我必须照顾我生病的爷爷。(道歉信)
② I have decided to register for the computer major. This is because the high-paying employment in the IT industry attracts me most. 我决定报考计算机专业，这是因为 IT 行业的高薪工作最吸引我。(短文)

答案： 4.①that ②because

5. 句式 3 with 复合结构
Slowly，and with the camera still held to my eye，I turned...And froze. 我慢慢地转身，相机还端在眼前……然后我僵住了。
“with/without + 宾语 + 宾语补足语”复合结构在句中作伴随或原因状语或定语。
1)① with + 名词/代词 + doing(doing 表主动或正在进行的动作)；
② with + 名词/代词 + done(done 表被动或已完成的动作)；
③ with + 名词/代词 + to do(to do 表将来的动作)；
④ with + 名词/代词 + 介词短语/adj./adv.(表宾语的性质或状态)。
2)without + doing sth./being done，表“在没有做某事的情况下/在没有被……的情况下”。
① With an important class meeting to attend，I can’t go for an outing with you this weekend. 因为要参加一个重要的班级会议，这个周末我不能和你郊游了。(道歉信)
② With all the popcorn sold(sell)out，Bernard felt a wave of happiness and appreciation welling up in him. 所有的爆米花都卖完了，伯纳德既高兴又感激。(续写情感描写)
③ With a broad smile spreading on his face，he told me that he was proud of my wonderful performance. 他脸上洋溢着灿烂的笑容，告诉我他为我的精彩表现感到自豪。(2023·新课标Ⅰ卷续写)

答案： 5.②sold