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图6.14 试用4位同步二进制计数器74LS161接二进制计数器,标出输入输出端,可以附加必要的门电路.
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【单选题】—________? —It's my sister. [ ]
A.
What colour is the shirt
B.
Whose shoes are they
C.
Whose dress is this
D.
Is this your hat
【单选题】Why did the man give up the idea of being a social worker?
A.
Because he didn't have a diploma.
B.
Because he wanted to change to another job.
C.
Because he went to the countryside.
【简答题】读一读，涂颜色。 — What colour is the sweater? — It's yellow. — What colour is the shirt? — It's red. And the T-shirt is gray. — What colour is the dress? — The big one? — Yes! — It's yellow. The small one is...
【简答题】选择正确的答语。 ( ) 1. What colour are the clouds? ( ) 2. Is it a picture? ( ) 3. Is there a cloud in the sky? ( ) 4. Are there any flowers in your school? ( ) 5. Do you like this bridge?...
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【简答题】句子搭配。把A---H的选项填在下面横线上。 1. What colour is the panda ? ( ) 2. What colour are they? ( ) 3. What is the matter? ( ) 4. What is it? ( ) 5. How is the lemon? ( ) 6. I...
【简答题】选择你所听到的句子。 ( )1. A. What colour is it? B. What time is it? C. Where is it? ( )2. A. Is this your computer? B. Do you have lunch at school? C. The can is on the first floor. ( )3. A. ...
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