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【简答题】
阅读短文，从方框中选择适当的单词填空（每词限用一次）。 homework happier with chatting feed My grandpa is over 70 years old. I like ____86____ with him. He used to live in a mountain village when he was young. Every morning he had to get up early and ____87_____the animals. There was no TV set then, and there was no delicious food to eat.He always says we are____88____ than they were. But I don’t think so. Because we have too much _____89____ and too many exams every day. Do you agree ___90____me ?
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【简答题】默写:《观沧海》
【判断题】Compiling a working bibliography can help researchers keep good track of their sources.
A.
正确
B.
错误
【简答题】Choose the correct answers to the questions. 为下列问句选择正确的答语。 ( ) 1. How many people are there in the shop? ( ) 2. What's your favourite film (电影)? ( ) 3. What are Lynn and Bob doing? ( )...
【单选题】如果车牌由四个字母和三个数字组成,那么有多少种不同的车牌可供选择?(假设所有的字母都是大写,数字是0,1...,9)
A.
26*25*24*23*10*9*8
B.
26^4*10*9*8
C.
26^4+10^3
D.
26^4*10^3
E.
C(26,4)*C(10,3)，其中 C(26,4)=26!/4!*22!，C(10,3)=10!/3!*7!
【简答题】一般固形物含量为 。
【简答题】默写曹操诗《观沧海》。
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