Unit 4 Life on Mars. Period 4 Grammar 同步课时练习（含答案及解析）
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| 名称 | Unit 4 Life on Mars. Period 4 Grammar 同步课时练习（含答案及解析） |  | |
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| 科目 | 英语 | ||
| 更新时间 | 2022-06-10 23:46:45 | ||
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第4课时 [Unit 4 Period 4 Grammar]
Ⅰ.根据句意及汉语提示完成句子
1．2019·包头—Do you think there'll be any cheese left？—I ________(怀疑) it.
2．2020·镇江Please ________(将……圈起来) the new words and look them up in the dictionary.
3．When speaking to a ________(陌生人), you'd better be careful.
4．2019·天水After discussing the project several times, they reached an ________(协议) finally.
5．The ________(可能性) that there is life on other planets has always encouraged scientists to explore outer space.
Ⅱ.单项填空
( )6.—Hurry up, or we'll be late.
—Take your time. It's just ________ short distance from here to ________ cinema.
A．/; the B．a; the C．the; a D．/; a
( )7.I didn't know ________ they could pass the exam or not.
A．why B．when C．that D．whether
( )8.2020·营口—What are you looking for
—I'm looking for the dictionary ________ my brother gave me last month.
A．that B．what C．who D．whom
( )9.Some young parents are not aware ________ the harm of giving their babies mobile phones.
A．with B．for C．in D．of
( )10.His opinions are similar ________ yours but different ________ Julia's.
A．to; from B．from; to C．as; with D．with; as
( )11.2019·宿迁一模—I'm not sure if I copied the address correctly. Can you check it for me
—No problem, let's check it together.(选出与画线部分意思相同或相近的一项)
A．without difficulty B．without instructions
C．without mistakes D．without doubt
( )12.It's difficult to imagine________ life would be like without water.
A．when B．what C．where D．which
( )13.Although I am a foreigner, I never doubt ________ the Great Wall is well worth ________．
A．whether; visiting B．if; a visit
C．that; a visit D．that; to visit
Ⅲ.用括号中所给单词的正确形式填空，使短文内容完整、正确
The journey to the Moon has 14.________(be) the first step towards future exploration(探险) in space. The distance between the Moon and the Earth is very short indeed when 15.________(compare) with the distances between the Earth and the other planets. Mars, the 16.________(near) planet to the Earth, is millions of miles away! 17.________(travel) to the planets will be man's next aim. Such travels will be 18.________(much) challenging(挑战) than the trip to the Moon and 19.________(certain) more adventurous(冒险的)．
A few years ago, two American spaceships, Vikings 1 and 2, landed on Mars, trying to discover whether that planet has 20.________(some) life on it. So far the signs of life on Mars have neither confirmed(确认) nor ruled out. 21.________(Russia) have discovered that the surface of Venus(金星) is so hot that it is almost certain that there is no life there. Also the atmosphere of Venus is extremely dense(稠) and the 22.________(press) is nearly a hundred times greater than that of the Earth's atmosphere.
Scientists believe man may find planets, which have the same 23.________(condition) as those we have on the Earth, but man should realize the Earth will be his only home for a long time and begin to love and care for it.
答案
Ⅰ.1.doubt 2.circle 3.stranger
4．agreement 5.possibility
Ⅱ.6.B 7.D
8．A 定语从句之关系代词。句意：“你在找什么？”“我正在找我弟弟上个月给我的那本字典。”由句意并分析句子结构可知，本句是含有定语从句的复合句，先行词dictionary指物，应用关系代词that/which引导定语从句。
9．D 10.A
11．C 副词同义词转换。without difficulty意为“毫无困难”；without instructions意为“没有指示”；without mistakes意为“毫无错误”；without doubt意为“毋庸置疑”。根据句意“我不确定是否正确地记下了你的地址”可知选C。
12．B
13．C 宾语从句及固定用法。句意：尽管我是一个外国人，但是我从来不怀疑长城很值得一游。第一空doubt的用法，用于否定句，后接that引导的宾语从句；第二空固定短语be well worth visiting＝be well worth a visit(此处visit为名词), 意为“值得游览/值得一游”。
Ⅲ.14.been pared 16.nearest
17．Travelling 18.more 19.certainly
20．any 21.Russians 22.pressure
23．conditions
Ⅰ.根据句意及汉语提示完成句子
1．2019·包头—Do you think there'll be any cheese left？—I ________(怀疑) it.
2．2020·镇江Please ________(将……圈起来) the new words and look them up in the dictionary.
3．When speaking to a ________(陌生人), you'd better be careful.
4．2019·天水After discussing the project several times, they reached an ________(协议) finally.
5．The ________(可能性) that there is life on other planets has always encouraged scientists to explore outer space.
Ⅱ.单项填空
( )6.—Hurry up, or we'll be late.
—Take your time. It's just ________ short distance from here to ________ cinema.
A．/; the B．a; the C．the; a D．/; a
( )7.I didn't know ________ they could pass the exam or not.
A．why B．when C．that D．whether
( )8.2020·营口—What are you looking for
—I'm looking for the dictionary ________ my brother gave me last month.
A．that B．what C．who D．whom
( )9.Some young parents are not aware ________ the harm of giving their babies mobile phones.
A．with B．for C．in D．of
( )10.His opinions are similar ________ yours but different ________ Julia's.
A．to; from B．from; to C．as; with D．with; as
( )11.2019·宿迁一模—I'm not sure if I copied the address correctly. Can you check it for me
—No problem, let's check it together.(选出与画线部分意思相同或相近的一项)
A．without difficulty B．without instructions
C．without mistakes D．without doubt
( )12.It's difficult to imagine________ life would be like without water.
A．when B．what C．where D．which
( )13.Although I am a foreigner, I never doubt ________ the Great Wall is well worth ________．
A．whether; visiting B．if; a visit
C．that; a visit D．that; to visit
Ⅲ.用括号中所给单词的正确形式填空，使短文内容完整、正确
The journey to the Moon has 14.________(be) the first step towards future exploration(探险) in space. The distance between the Moon and the Earth is very short indeed when 15.________(compare) with the distances between the Earth and the other planets. Mars, the 16.________(near) planet to the Earth, is millions of miles away! 17.________(travel) to the planets will be man's next aim. Such travels will be 18.________(much) challenging(挑战) than the trip to the Moon and 19.________(certain) more adventurous(冒险的)．
A few years ago, two American spaceships, Vikings 1 and 2, landed on Mars, trying to discover whether that planet has 20.________(some) life on it. So far the signs of life on Mars have neither confirmed(确认) nor ruled out. 21.________(Russia) have discovered that the surface of Venus(金星) is so hot that it is almost certain that there is no life there. Also the atmosphere of Venus is extremely dense(稠) and the 22.________(press) is nearly a hundred times greater than that of the Earth's atmosphere.
Scientists believe man may find planets, which have the same 23.________(condition) as those we have on the Earth, but man should realize the Earth will be his only home for a long time and begin to love and care for it.
答案
Ⅰ.1.doubt 2.circle 3.stranger
4．agreement 5.possibility
Ⅱ.6.B 7.D
8．A 定语从句之关系代词。句意：“你在找什么？”“我正在找我弟弟上个月给我的那本字典。”由句意并分析句子结构可知，本句是含有定语从句的复合句，先行词dictionary指物，应用关系代词that/which引导定语从句。
9．D 10.A
11．C 副词同义词转换。without difficulty意为“毫无困难”；without instructions意为“没有指示”；without mistakes意为“毫无错误”；without doubt意为“毋庸置疑”。根据句意“我不确定是否正确地记下了你的地址”可知选C。
12．B
13．C 宾语从句及固定用法。句意：尽管我是一个外国人，但是我从来不怀疑长城很值得一游。第一空doubt的用法，用于否定句，后接that引导的宾语从句；第二空固定短语be well worth visiting＝be well worth a visit(此处visit为名词), 意为“值得游览/值得一游”。
Ⅲ.14.been pared 16.nearest
17．Travelling 18.more 19.certainly
20．any 21.Russians 22.pressure
23．conditions