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为了能让各位考生能更加高效率的备考，为大家提供了2020年4月自考英语一选择题练习及答案详解，供大家参考。预祝大家顺利通过考试。
1.He is good at English， _______ we all know.
A. that
B. as
C. whom
D. what
2.The pen _______ he is writing is mine.
A. with which
B. in which
C. on which
D. by which
3.Do you know the year _______ the Chinese Communist Party was founded?
A. which
B. that
C. when
D. on which
4.The place _______ interested me most was the Children’s Palace.
A. which
B. where
C. what
D. in which
5._____ she was very tired， she went on working.
A. As
B. Although
C. Even
D. In spite of
6.Read it aloud _______ the class can hear you.
A. so that
B. if
C. when
D. although
7.By no means _______ look down upon the disabled.
A. should we
B. we should
C. we shall
D. we ought
8._______ today， he would get there by Friday.
A. Would he leave
B. Were he leaving
C. Were he to leave
D. Had he left
9._______， it is quite easy to drill a hole in it with a eraser.
A. Hard a diamond is
B. Hard as a diamond is
C. As a diamond is hard
D. How hard is a diamond
10.If we _______ everything ready by now， we should be having a terrible time tomorrow.
A. hadn’t got
B. didn‘t get
C. wouldn’t have got
D. wouldn‘t get
答案详解
1.正确答案：B
答案解析：as作关系代词可以单独用来引导非限制性定语从句。这时as所指代的不是主句中某个名词，而往往指代整个主句的含义。as在从句中可以作主语、宾语。从句可放在主句后，也可置于主句前。在本句中，as作宾语。
2.正确答案：A
答案解析：with which是“介词+关系代词”结构，常用来引导定语从句。with有“用”的意思，介词之后只能用which，不能用that. with which在定语从句中作状语，即he is writing with a pen.
3.正确答案：C
答案解析：when是关系副词，表示时间，在定语从句中作时间状语。
4.正确答案：A
答案解析：which用作关系代词，在定语从句中作主语。
5.正确答案：B
答案解析：although：虽然，尽管。符合句意。
6.正确答案：A
答案解析：so that：以至于。可以引导目的状语从句，符合句意。
7.正确答案：A
答案解析：by no means 带否定意义，放在句首时句子部分倒装。
8.正确答案：C
答案解析：这是省略连词if 的表示将来虚拟的倒装结构。根据所讲过的表示将来的虚拟句的结构：should + do或 were to do ，故首先应该排除A和D，而B则表示进行的虚拟结构，因而正确的选项应该是C.
9.正确答案：B
答案解析：A缺少连词，C项as引导原因状语从句与主句意义正好相反。B项为让步状语从句，把被强调部分放在句首，此处as可用though来代替。
10.正确答案：A
答案解析：译文：如果到现在一切都没准备好，我们明天就会很不好过。此题考查虚拟语气，表示与现在事实相反，从句要用过去时。
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