作业帮新概念英语第一册125课的练习册答案
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新概念英语第一册125课的练习册答案
课文详注 Further notes on the text
1．Can't you come in and have tea now, Peter?彼得,你现在能进来喝茶吗?
这是否定疑问句,表示邀请.请参见 Lessons 77～78语法部分.
2．Don't you remember?你不记得了吗? 这也是否定疑问句.
3．don't need to= needn't.
表示“不必”,是 must和 have to的一般现在时否定式.
4． a pleasant surprise,意想不到的好事,令人惊喜的事.
语法学习 Grammar in use
must, have to和 needn't
这3个词都表示必要性.在前面已对 must和 have to介绍过.
must是情态助动词,而have to是普通动词,二者在肯定句中一般可以互换,表示不可逃避的义务或责任.must更带有说话人的主观色彩,而have to则更强调客观要求和外界影响.
must一般只能表达现在的必要性,而have to则可以表达过去或将来的必要性.
I shall have to leave London tomorrow. 我明早得离开伦敦.
I had to stop smoking because it was forbidden in my company.
因为我所在的公司内禁止抽烟,所以我不得不停止了吸烟.
假如我们用 must来提问,则只能用needn't来表达否定的回答. needn't 还可以理解为have to的否定回答.needn't (don't need to)和 don't have to都表示不必要；而 mustn't却表示绝对禁止,在说话人看来根本没有选择余地.请看例句：
You mustn't turn left. 你不能左转弯.（表示绝对禁止）
词汇学习 Word study
1．mean v.
（1）意味着,即：
It's raining! That means you don't need to water the garden.
下雨了!这就是说,你不必给花园浇水了.
（2）（词语）表示……意思：
What does‘perfume’ mean in English?
“perfume”一词在英语中是什么意思?
The green light means‘Go on.’
绿灯的意思是“继续向前”.
（3）意指；意欲：
What I mean is that we'll have to go back and look for it.
我的意思是：我们必须回去寻找它.
He didn't mean to hurt you.
他的本意并不是想伤害你.
2．water v.
（1）浇（洒）水；供水；喂水：
The garden is very dry, I'm going to water it tomorrow morning.
花园里很干了,明早我预备给它浇些水.
Tim is watering his lovely little dog.
蒂姆正在给他那只可爱的喂水.
（2）布满水；布满泪水；流口水：
He felt sad and his eyes watered a little.
他感到难过,眼睛有点儿湿润了.
Ice cream always makes his mouth water.
冰淇淋总能让他馋得淌口水.
（3）搀水冲淡；加水稀释：
Someone had been watering the milk.
有人往牛奶里搀了水.
He always waters drinks and sells them to tourists.
他总是在饮料里搀水并将之卖给游客们.
练习答案 Key to written exercises
Lesson 126
A
1 Does she have to decide immediately?
She doesn't have to decide immediately.
2 Must she decide immediately?
She needn't decide immediately.
3 Do we have to take a taxi?
We don't have to take a taxi.
4 Must we take a taxi?
We needn't take a taxi.
B
1 I have to telephone him, too.
2 Mary has to wait for him, too.
3 Jim has to meet her ,too.
4 Tom and Mary have to travel by ship, too.
C
1 Do you really have to telephone him?
2 Does Mary really have to wait for him?
3 Does Jim really have to meet her?
4 Do Tom and Mary really have to travel by ship?
1．Can't you come in and have tea now, Peter?彼得,你现在能进来喝茶吗?
这是否定疑问句,表示邀请.请参见 Lessons 77～78语法部分.
2．Don't you remember?你不记得了吗? 这也是否定疑问句.
3．don't need to= needn't.
表示“不必”,是 must和 have to的一般现在时否定式.
4． a pleasant surprise,意想不到的好事,令人惊喜的事.
语法学习 Grammar in use
must, have to和 needn't
这3个词都表示必要性.在前面已对 must和 have to介绍过.
must是情态助动词,而have to是普通动词,二者在肯定句中一般可以互换,表示不可逃避的义务或责任.must更带有说话人的主观色彩,而have to则更强调客观要求和外界影响.
must一般只能表达现在的必要性,而have to则可以表达过去或将来的必要性.
I shall have to leave London tomorrow. 我明早得离开伦敦.
I had to stop smoking because it was forbidden in my company.
因为我所在的公司内禁止抽烟,所以我不得不停止了吸烟.
假如我们用 must来提问,则只能用needn't来表达否定的回答. needn't 还可以理解为have to的否定回答.needn't (don't need to)和 don't have to都表示不必要；而 mustn't却表示绝对禁止,在说话人看来根本没有选择余地.请看例句：
You mustn't turn left. 你不能左转弯.（表示绝对禁止）
词汇学习 Word study
1．mean v.
（1）意味着,即：
It's raining! That means you don't need to water the garden.
下雨了!这就是说,你不必给花园浇水了.
（2）（词语）表示……意思：
What does‘perfume’ mean in English?
“perfume”一词在英语中是什么意思?
The green light means‘Go on.’
绿灯的意思是“继续向前”.
（3）意指；意欲：
What I mean is that we'll have to go back and look for it.
我的意思是：我们必须回去寻找它.
He didn't mean to hurt you.
他的本意并不是想伤害你.
2．water v.
（1）浇（洒）水；供水；喂水：
The garden is very dry, I'm going to water it tomorrow morning.
花园里很干了,明早我预备给它浇些水.
Tim is watering his lovely little dog.
蒂姆正在给他那只可爱的喂水.
（2）布满水；布满泪水；流口水：
He felt sad and his eyes watered a little.
他感到难过,眼睛有点儿湿润了.
Ice cream always makes his mouth water.
冰淇淋总能让他馋得淌口水.
（3）搀水冲淡；加水稀释：
Someone had been watering the milk.
有人往牛奶里搀了水.
He always waters drinks and sells them to tourists.
他总是在饮料里搀水并将之卖给游客们.
练习答案 Key to written exercises
Lesson 126
A
1 Does she have to decide immediately?
She doesn't have to decide immediately.
2 Must she decide immediately?
She needn't decide immediately.
3 Do we have to take a taxi?
We don't have to take a taxi.
4 Must we take a taxi?
We needn't take a taxi.
B
1 I have to telephone him, too.
2 Mary has to wait for him, too.
3 Jim has to meet her ,too.
4 Tom and Mary have to travel by ship, too.
C
1 Do you really have to telephone him?
2 Does Mary really have to wait for him?
3 Does Jim really have to meet her?
4 Do Tom and Mary really have to travel by ship?