题目内容

---May I surf the Internet now? 

---No,______ you have finished doing the dishes.


  1. A.
    unless
  2. B.
    if
  3. C.
    because
  4. D.
    when
A
根据句子的意思,选择A,表示除非相当于if ……not,条件状语从句,故选A
练习册系列答案
相关题目

One day Jack met his good friend Sue in the park.A dog was looking up at the woman beside her.
   Jack walked up to Sue and said, “Hello, how are you? May I sit and talk with you for a moment?” “Of course, please sit down,” Sue said.Jack sat down next to Sue on the bench, and they talked quietly together.The dog continued to look up at Sue, as if( 似乎) waiting to be given some food.
  “That's a nice dog, isn't he?” Jack said, pointing at the animal.
  “Yes, he is.He's handsome.He's strong and healthy.”
“And hungry,” Jack said.“He hasn't taken his eyes off you.He thinks you've got some food for him.”
  “That's true,” Sue said.“But I haven't.”
  They both laughed and then Jack said, “Does your dog bite(咬)?”
  “No, ”Sue said, “ He's never bitten anyone.He's always gentle and friendly.”
  Hearing this, Jack decided to hold out his hand and touched the animal's head.Suddenly it jumped up and bit him.
  “Hey!” Jack shouted.“You said your dog didn't bite.”
  Sue answered in surprise, “Yeah, I did.But this is not my dog.My dog is at home.”
【小题1】Jack and Sue were ________.

A.friendsB.neighboursC.classmatesD.brother and sister
【小题2】The dog looked at the woman because _______.
A.the woman wanted to feed himB.the woman was friendly
C.he was strong and healthyD.he was hungry
【小题3】Jack touched the dog because he believed _______.
A.the dog was handsomeB.Sue's dog was unfriendly
C.the dog belonged to SueD.Sue's dog was at home
【小题4】We can guess from the story that _______.
A.Sue gave a wrong answerB.Jack made a mistake(错误)
C.the dog wasn’t dangerousD.both Jack and Sue liked the dog
【小题5】Which of the Following can be the best title of the passage?
A.A Wrong QuestionB.Sue's Dog
C.A pleasant talkD.Sue's Friend