精英家教網 > 高中英語 > 題目詳情

2. whether和if都意為“是否”,通常情況下,二 者都可以引.導賓語從句,但在介詞之后或直接與

連用時,只能用whether,不能用if。

練習冊系列答案
相關習題

科目:高中英語 來源: 題型:

閱讀下面材料,在空白處填入適當的內容(1個單詞) 或括號內單詞的正確形式。


     Eating at restaurants hasn’ t always been known as the best choice for  people 61. are trying to keep

a healthy diet. It is 62.(extreme) hard for people to avoid food that isn’t  so good for them when dining out. However,you don't have to give 63. your love of restaurants.

There are ways that you can eat healthier food when dining out while you can still enjoy the experience.

   One method is to take time  64. (read) the nutrition infor- mation. Some restaurants post it on their menus or their website. If you know  you’re going to visit 65.  certain restaurant,you should check the website first. If no nutrition information 66. (list) , you should check the  menu at the restaurant before you order.

    Another way is to think about not eating cream or butter sauces. Instead,  consider 67. (choose) a sauce

that could add a rich flavour to your food without extra calores (卡路里) . All restaurants have water available. Whether it is free 68. you have to buy it,you should choose to drink water over other drinks like beer or soda,which contains a lot of calories.

Eating out doesn’t have to be an unhealthy 69. (decide) as long as you make wise choices. You could still enjoy all of the benefits of dining out  and be 70. (please) with your choices later on.

查看答案和解析>>

科目:高中英語 來源: 題型:

Task III. Read the text and find the corresponding explanations for each of the words or phrases.

1. make a bet          A. to notice someone or something,especially when they are difficult to see

2. by accident          B. to give an explanation of something

3. stare at            C. to take a risk on something of which the result is not certain

4. spot                D. giving money,food,help,etc. to people in need

5. account for            E. to look at somebody or something for a long time without moving your eyes

6. seek                  F. completely different

7. on the contrary             G. in a way that is not planned or intended

8. charity                 H. to look for or to try to get something mentioned

查看答案和解析>>

科目:高中英語 來源: 題型:

II.選用方框內合適的短語并用其正確形式填空 (每個短語限用一次) 。

bring up,     go ahead,    account for,     by accident,    stare at,     on the contrary

1 . Tom behaves in the strangest way; I can't his actions at all.

2. Her mother left her when she was one year old and she  by her grandmother and her father.

3. Don’t people like that; it's rude.

4. I found her letter . as I was looking through my files.

5. —Can I have the sports section?

 I've read it.

6. —I suppose your wife doesn,t understand you.

- , she understands me very well.

查看答案和解析>>

科目:高中英語 來源: 題型:

2. 我們約定7點30分在電影院見面,但他沒來。

We arranged to meet at the cinema at 7. 30,but he failed to  .

查看答案和解析>>

科目:高中英語 來源: 題型:

I.用適當的介詞填空。

1. Many thousands have benefited the new treatment.

查看答案和解析>>

科目:高中英語 來源: 題型:

2. I didn t sleep well that night,but it was my own f.

查看答案和解析>>

科目:高中英語 來源: 題型:

3.(衣衫襤褸的孩子們) begged for money from the tourists.

查看答案和解析>>

科目:高中英語 來源: 題型:

連接代詞who, what, which引導主語從句時, 在從句中充當主語、賓語或

查看答案和解析>>

同步練習冊答案