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【单选题】
设等差数列 的前n项和为 ，若 ＝－2， ＝0， ＝3，则m＝( )A.
3
B.
4
C.
5
D.
6
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举一反三
【单选题】The Jerry Springer and the Oprah Winfrey are all different EXCEPT ______.
A.
they both have a 'final word'
B.
they both tend to be instructive to their audiences
C.
they are attractive to middle-class and young adult
D.
they are dealing with the toughest problems in the society
【单选题】Section B Directions: This section is to test your ability to understand short conversations. There are 2 recorded conversations in it. After each conversation, there are some recorded questions. The ...
A.
To keep a pet sheep.
B.
To keep a parrot.
C.
To keep a pet pig.
D.
To keep a pet dog.
【简答题】有以下程序: #include "stdio.h" main() { int x,y; scanf("%2d%1d",&x,&y); printf("%d\n",x+y); } 程序运行时输入:398765,程序的运行结果是( )。
【单选题】Directions: Now you will hear a news report. At the end of the report, you will hear some questions. After you hear a question, choose the best answer from the four choices.
A.
Wear your earphones wherever you go.
B.
Follow the fashion of wearing earplugs.
C.
Wear earplugs in case of high-volume sounds.
D.
Buy expensive earplugs to protect your hearing.
【简答题】介绍Springer 电子期刊数据库及其使用方法。
【简答题】You are a sales assistant at Zara Inc. Give a presentation to a group of potential customers. Your purpose is to introduce and promote the fast-fashion brand to them. You should cover all the followin...
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