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【判断题】
对于同一个问题,如果可以用递推算法和递归算法来求解,递推算法的运行效率更高。A.
正确
B.
错误
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举一反三
【多选题】Section D In this section, there is a dialogue happened in a shop. Complete the dialogue with the given sentences. 在本节中, Mom 和 Tom 在商店购物。请根据对话内容,将方框内符合对话情景的句子的序号填在对话的空白处,使对话完整。 Shop assistant: Good mo...
A.
I’ll take it.
B.
What can I do for you?
C.
What do you think of that yellow one?
D.
How much is it?
E.
What about that black one ?
【简答题】Make a Reservation (Li Min, a tour guide, is a reservation on the phone.) A: Good afternoon. Reservations. May I help you? B:Yes, I'm calling from China International Travel Service. I'd like t...
【简答题】四、补全对话 ( 有两项多余 ) A:16.____________ B:I am from Canada. And my name is Alice. A:Welcome. Well, there are many rules in our school. 17. ____________ B:Oh, no. Can you tell me, please? A:OK! B:Do we have...
【简答题】如何使文字在矩形周围环绕。
【单选题】完形填空（30分） 根据下列材料请回答 26～45 题： There are many kinds of friends. Some are always 16 you, but don't understand you. Some say only a few words to you, but understand you. Many people will step in your life...
A.
with
B.
for
C.
against
D.
to
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