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解方程（比例）． （1） 2 3 Ⅹ- 1 2 Ⅹ=15.5 （2）Ⅹ：3.5=1.4：5.6．
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举一反三
【单选题】Ex.9-1 Listen to the following short dialogues and choose the appropriate answers.
A.
AI is everywhere.
B.
These devices are smart.
C.
Not everybody knows about AI.
D.
Human life cannot do without AI.
【单选题】Listen to the short dialogues and choose the best answers _______.
A.
Chocolate.
B.
Strawberry ice-cream.
C.
Blueberry ice-cream.
D.
Chocolate ice-cream.
【简答题】Ask questions and give short answers. (对下列各句提问并作简略回答.) 1. K ate is doing her homework. __________________? Yes, __________. No, _________. 2. His p arents are talking with the teachers. ______________...
【单选题】Listen to the short dialogues and choose the best answers _________.
A.
The man does not like the food at the restaurant.
B.
The man is sick and cannot eat much.
C.
The man does not like glutamate in his dishes.
D.
The man wants glutamate in his dishes.
【简答题】short answers 11-15
【单选题】Ex.9-1 Listen to the following short dialogues and choose the appropriate answers.
A.
He’s always ready to help.
B.
He’s full of confidence.
C.
He’s looking for a job.
D.
He’s complaining.
【单选题】Listen to the short dialogues and choose the best answers _________.
A.
Beef.
B.
Pork.
C.
Chicken.
D.
Vegetables.
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