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【单选题】
下面哪一个选项对变量的类型说明符的使用是正确的( )。A.
Dim a$ :a=OK
B.
Dim a%: a=50000
C.
Dim a&: a = True
D.
Dim a%: a =2000
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反馈参考答案：
举一反三
【单选题】下面哪两个IP地址是属于同一个网段的?( )
A.
10.123.224.250/19 和10.123.240.245/19
B.
10.123.192.128/24 和10.123.193.128/24
C.
10.123.224.161/27 和10.123.224.225/27
D.
10.123.240.222/27 和10.123.240.225/27
【单选题】听力原文：W: Art Department, the treasurer Brown speaking. M: Hello, Professor Brown, my name is Frank Meloy. I'm thinking of taking your course in painting, and I'm calling to find out more about it. W: H...
A.
The location of an art school.
B.
Information about a course.'
C.
The differences between two paintings.
D.
Where to register a course.
【单选题】— Does Mike like cats? — ________. He plays with his cat every day.
A.
Yes, he is
B.
No, he doesn’t
C.
No, he isn’t
D.
Yes, he does
【简答题】阅读理解。 Hello, boys and girls. I'm Tom. Nice to meet you. Tom is my first name. What's my last name? My last name is Hanks. Tom Hanks is my full name (全名). I'm twelve years old. I'm from England and I'm...
【单选题】听力原文：Thinh: Hello. Jane: Oh, hi there! Thinh: Please allow me to introduce myself. My name is Thinh Nguyen and I am new to this neighborhood. Jane: Pleased to meet you. My name is Jane Peters. Did you...
A.
Jane's colleage.
B.
Jane's landlord.
C.
Jane's student.
D.
Jane's neighbor.
【简答题】你认为学前教学活动设计的基本结构是什么?
【简答题】砌石防渗按照结构形式分为()两种。
【单选题】在一项队列研究中，如果暴露因素较为少见，且又采用历史性队列研究，其暴露组应选择
A.
一般人群
B.
易回顾人群
C.
特殊暴露人群
D.
有组织的人群
E.
特殊地区人群
【单选题】听力原文：W: Art Department, the treasurer Brown speaking. M: Hello, Professor Brown, my name is Frak Meloy. I'm thinking of taking your course in acrylic painting, and I'm calling to find more about it. W...
A.
An art student.
B.
A chemistry student.
C.
A newspaper reporter.
D.
A landscape designer.
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