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【简答题】
该实验任务的子网划分定长子网划分,每个网络以点分十进制格式表示的子网掩码是( )。
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反馈参考答案：
举一反三
【简答题】口算： 3 2 +2 2 = 2.25+ 3 4 = 4 7 ÷4 = 8- 4 5 = 0.21× 3 4 +0.21÷4 = 21÷4= 1÷( 1 10 ÷ 1 8 ) = 1 5 ÷5×25 = 5 9 + 1 5 - 5 9 = 1- 11 13 - 2 13 =
【简答题】Section C Directions: In this section, you will hear three passages. At the end of each passage, you will hear three or four questions. Both the passage and the questions will be spoken only once. Aft...
【单选题】My grandfather is as ________ as a young man and hates sitting around doing nothing all day.
A.
nervous
B.
energetic
C.
anxious
D.
creative
【简答题】根据语境，填入适当的词语或句子，补全对话。 A: Hello, Mr Zhang! B: Hello, Bob! You look worried and nervous. _ 1 ? A: I have a big problem. _ 2 . B: What's your problem? A: You know I love basketball best. But since I...
【简答题】听下面一段材料，回答第1至第3题。 1. How did the man feel when he met the woman? [ ] A. Upset. B. Nervous. C. Surprised. 2. What is the man? [ ] A. He is an employee at the Internet Cafe. B. He is a student w...
【单选题】If a bird or insect ______ its wings, the wings move quickly up and down.
A.
flaps
B.
claps
C.
stretches
D.
infuriates
【简答题】直接写出得数。 0.3×7= 0.66÷6= 10÷0.2= 0.25×4= + = - = 1- = + =
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