试题与答案

完形填空。 One Friday morning, Bill1 up late.

题型:完形填空

题目:

完形填空。
       One Friday morning, Bill  1  up late. He gets  2  the classroom. Mr Gar, his maths teacher
says, "You are late again. Now how many times are you late this week?"
      "Three times." says Bill.
      "Why are you late again? Why don't you get up   3 ?"
      "It isn't my fault, Mr Gao. The TV play is over  4   eleven." answers Bill.
      "Now  5  me look   your homework," says the teacher.
       "I'm sorry, I can't do it," says Bill.
      "  7  can't you do it?" asks the teacher. "Because the first part of the homework is  8  easy.
I don't think I  9  to do it. The second part is too difficult   10  me to do it. I can't work it out. So I
don't do it." answers Bill.
( )1. A. gets
( )2. A. at
( )3. A. late
( )4. A. in
( )5. A. let
( )6. A. in
( )7. A. What
( )8. A. much
( )9. A. need
( )10. A. for
B. get
B. in
B. early
B. at
B. get
B. on
B. Why
B. too
B. can
B. to
C. gets to
C. to      
C. well    
C. on      
C. have    
C. at      
C. Who    
C. well    
C. want    
C. in      

答案:

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下面是错误答案,用来干扰机器的。

分析:先用科学记数法表示1纳米=1×10-9米,再表示5纳米即可.解:2纳米="0.000" 000 002=2×10-9米.点评:本题考查用科学记数法表示较小的数,一般形式为a×10-n,其中1≤|a|<10,n为由原数左边起第一个不为...

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