II. Fill in the blanks with proper words
1．Exactly when the potato was introduced into Europe is uncertain, but it was probably around 1565.
【解析】本题考察的是名词性从句中的主语从句。在本句中Exactly when the potato was introduced into Europe.句义：土豆确切是在何时被引进到欧洲还不确定，但是大约是在1565年左右。
2．The best moment for the football star was when he scored the winning goal.
【解析】本题属于名词性从句中的表语从句。句意：对这位球星来说最好的时刻就是他射门得分的时候。
3．Some people believe what/whatever has happened before or is happening now will repeat itself in the future.
【解析】本句考察主语从句。句意：一些人认为之前发生的或现在正在发生的(任何)事情在将来都会重复发生。
4．I think what impresses me about his painting is the colours he uses.
【解析】本题中的I think是一个插入语，可以省略。实际上本句中的what impresses me是一个主语从句，what既是这个主语从句的引导词，也在句中做主语。句义：关于他的画我认为给我留下深刻印象的是他所使用的颜色。
5．It is difficult for us to imagine what life was like for slaves in the ancient world.
【解析】本题考察的是名词性从句。动词imagine后面含有一个宾语从句what life was like for slaves in the ancient world。What引导起这个宾语从句，并在宾语从句中作为介词like的宾语。句义：对我们来说很难想象古代的奴隶的生活是怎么样的。
6．What students do at college seems to matter much more than where they go.
【解析】考查宾语从句。句意：学生在大学里做什么似乎比去哪里（哪所大学）更重要。这里表达去哪所大学，表示地点，作状语。故用where。
7．Pick yourself up. Courage is doing what you're afraid to do.
【解析】考查宾语从句。从句中do缺少宾语。句意：振作起来。勇气就是做你害怕做的事。what表示“…的事”
8．“Every time you eat a sweet, drink green tea.” This is what my mother used to tell me.
【解析】本题是名词性从句中的表语从句。What my mother used to tell me和系动词is构成系表结构，what既是这个从句的引导词，也在从句里充当动词tell的宾语。句意：这是我妈妈过去常常告诉我的事情。
9．—What a mess! You are always too lazy!
—I'm not to blame, mum. I am what you have made me.
【解析】本题考察的是名词性从句中的表语从句。表语从句通常都是放在系动词be的后面，说明主语的情况。本句中的what引导起宾语从句，并在宾语从句里放在made me的后面做宾语补足语。句意：—真乱啊！你总说这么懒！—我不应该受到责备。是你让我成为这样的。这里的what指人的品质，不指人的身份。
10．As John Lennon once said，life is what happens to you while you are busy making other plans.
【解析】考查表语从句。从句缺少主语。句意：正如John Lennon曾经说过，生活就是在你忙于别的计划时发生在你身上的事。what表示 “…的事”
11．Whether the delayed flight will take off depends much on the weather.
【解析】考查主语从句。从句不缺名词。句意：晚点的飞机是否能起飞很大程度上取决于天气。因此用whether
12．Grandma pointed to the hospital and said, “That's where I was born.”
【解析】本句是名词性从句中的表语从句。本句中的关键词是the hospital，表示的是地点。句意：奶奶指着那个医院说：那就是我出生的地方。
13．Police have found what appears to be the lost ancient statue.
【解析】考查宾语从句。从句缺少主语。句意：警察似乎找到了那个丢失的古代雕像。what表示“…的东西”
14．What makes the book so extraordinary is the creative imagination of the writer.
【解析】考查宾语从句。从句缺少主语。句意：使这本书出色的是作者创造性的想像。what表示“…的东西”
15．Experts believe (that) people can waste less food by shopping only when it is necessary.
【解析】考查宾语从句。从句不缺名词。句意：专家们相信人们可以通过只在必要时才购物的方式来减少食物浪费。句意完整，从句表示确定的事，因此用that，可以省略。
16．What I want to tell you is the deep love and respect I have for my parents.
【解析】考查宾语从句。从句tell缺少直接宾语。句意：我想告诉你的是我对父母深深的爱和尊敬。what表示“…的东西”
17．What struck me most in the movie was the father's deep love for his son.
【解析】考查宾语从句。从句缺少主语。句意：这部电影中最打动我的是父亲对儿子深深的爱。what表示“…的东西”
18．When the news came that the war broke out, he decided to serve in the army.
【解析】考查同位语从句。战争爆发指消息的具体内容，指确定的事，故用that.
19．As many as five courses are provided, and you are free to choose which/whichever suits you best.
【解析】考查宾语从句。从句缺少主语。句意：多达5门课被提供，你可以自由选择最适合你的那/任一门。有范围选择，故用which或whichever
20．Do not let any failures discourage you, for you can never tell how close you may be to victory.
【解析】考查宾语从句。句意：不要因失败而气馁，因为你永远也不知道你离成功有多近。how修饰close，构成复合引导词，位于从句最前面。
21．From space, the earth looks blue. This is because about 71 percent of its surface is covered by water.
【解析】考查表语从句。从句不缺名词。固定句型用以表达前文事情发生的原因。句意：从太空中看，地球是蓝色的。这是因为地球表面大约71被水覆盖。
22．Whichever one of you breaks the window will have to pay for it.
【解析】考查主语从句。whichever作定语，修饰one。句意：你们中无论谁打破了窗户都要赔偿。
1．Exactly when the potato was introduced into Europe is uncertain, but it was probably around 1565.
【解析】本题考察的是名词性从句中的主语从句。在本句中Exactly when the potato was introduced into Europe.句义：土豆确切是在何时被引进到欧洲还不确定，但是大约是在1565年左右。
2．The best moment for the football star was when he scored the winning goal.
【解析】本题属于名词性从句中的表语从句。句意：对这位球星来说最好的时刻就是他射门得分的时候。
3．Some people believe what/whatever has happened before or is happening now will repeat itself in the future.
【解析】本句考察主语从句。句意：一些人认为之前发生的或现在正在发生的(任何)事情在将来都会重复发生。
4．I think what impresses me about his painting is the colours he uses.
【解析】本题中的I think是一个插入语，可以省略。实际上本句中的what impresses me是一个主语从句，what既是这个主语从句的引导词，也在句中做主语。句义：关于他的画我认为给我留下深刻印象的是他所使用的颜色。
5．It is difficult for us to imagine what life was like for slaves in the ancient world.
【解析】本题考察的是名词性从句。动词imagine后面含有一个宾语从句what life was like for slaves in the ancient world。What引导起这个宾语从句，并在宾语从句中作为介词like的宾语。句义：对我们来说很难想象古代的奴隶的生活是怎么样的。
6．What students do at college seems to matter much more than where they go.
【解析】考查宾语从句。句意：学生在大学里做什么似乎比去哪里（哪所大学）更重要。这里表达去哪所大学，表示地点，作状语。故用where。
7．Pick yourself up. Courage is doing what you're afraid to do.
【解析】考查宾语从句。从句中do缺少宾语。句意：振作起来。勇气就是做你害怕做的事。what表示“…的事”
8．“Every time you eat a sweet, drink green tea.” This is what my mother used to tell me.
【解析】本题是名词性从句中的表语从句。What my mother used to tell me和系动词is构成系表结构，what既是这个从句的引导词，也在从句里充当动词tell的宾语。句意：这是我妈妈过去常常告诉我的事情。
9．—What a mess! You are always too lazy!
—I'm not to blame, mum. I am what you have made me.
【解析】本题考察的是名词性从句中的表语从句。表语从句通常都是放在系动词be的后面，说明主语的情况。本句中的what引导起宾语从句，并在宾语从句里放在made me的后面做宾语补足语。句意：—真乱啊！你总说这么懒！—我不应该受到责备。是你让我成为这样的。这里的what指人的品质，不指人的身份。
10．As John Lennon once said，life is what happens to you while you are busy making other plans.
【解析】考查表语从句。从句缺少主语。句意：正如John Lennon曾经说过，生活就是在你忙于别的计划时发生在你身上的事。what表示 “…的事”
11．Whether the delayed flight will take off depends much on the weather.
【解析】考查主语从句。从句不缺名词。句意：晚点的飞机是否能起飞很大程度上取决于天气。因此用whether
12．Grandma pointed to the hospital and said, “That's where I was born.”
【解析】本句是名词性从句中的表语从句。本句中的关键词是the hospital，表示的是地点。句意：奶奶指着那个医院说：那就是我出生的地方。
13．Police have found what appears to be the lost ancient statue.
【解析】考查宾语从句。从句缺少主语。句意：警察似乎找到了那个丢失的古代雕像。what表示“…的东西”
14．What makes the book so extraordinary is the creative imagination of the writer.
【解析】考查宾语从句。从句缺少主语。句意：使这本书出色的是作者创造性的想像。what表示“…的东西”
15．Experts believe (that) people can waste less food by shopping only when it is necessary.
【解析】考查宾语从句。从句不缺名词。句意：专家们相信人们可以通过只在必要时才购物的方式来减少食物浪费。句意完整，从句表示确定的事，因此用that，可以省略。
16．What I want to tell you is the deep love and respect I have for my parents.
【解析】考查宾语从句。从句tell缺少直接宾语。句意：我想告诉你的是我对父母深深的爱和尊敬。what表示“…的东西”
17．What struck me most in the movie was the father's deep love for his son.
【解析】考查宾语从句。从句缺少主语。句意：这部电影中最打动我的是父亲对儿子深深的爱。what表示“…的东西”
18．When the news came that the war broke out, he decided to serve in the army.
【解析】考查同位语从句。战争爆发指消息的具体内容，指确定的事，故用that.
19．As many as five courses are provided, and you are free to choose which/whichever suits you best.
【解析】考查宾语从句。从句缺少主语。句意：多达5门课被提供，你可以自由选择最适合你的那/任一门。有范围选择，故用which或whichever
20．Do not let any failures discourage you, for you can never tell how close you may be to victory.
【解析】考查宾语从句。句意：不要因失败而气馁，因为你永远也不知道你离成功有多近。how修饰close，构成复合引导词，位于从句最前面。
21．From space, the earth looks blue. This is because about 71 percent of its surface is covered by water.
【解析】考查表语从句。从句不缺名词。固定句型用以表达前文事情发生的原因。句意：从太空中看，地球是蓝色的。这是因为地球表面大约71被水覆盖。
22．Whichever one of you breaks the window will have to pay for it.
【解析】考查主语从句。whichever作定语，修饰one。句意：你们中无论谁打破了窗户都要赔偿。
