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【单选题】
（）的特点是提出新观点、新概念或新模型，侧重理论证明和模拟分析。A.
理论性
B.
实验性
C.
描述性
D.
设计性
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反馈参考答案：
举一反三
【单选题】某质点的运动方程是 S=t- ( 2t-1 ) 2 ,则在 t=1s 时的瞬时速度为( ) prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
-1
B.
-3
C.
7
D.
13
【多选题】下列属于制定绿色营销计划应考虑的因素有( )
A.
满足消费者的绿色消费需求
B.
产品生产及使用过程的安全无污
C.
社会对绿色营销的接受和支持
D.
企业从可持续性发展的战略高度来组织和实施绿色营销
【简答题】Look and write. 看图，写句子。 1. How many pencils? 2. 3. 4. 5.
【单选题】—Could you tell us ______? —About a month. [ ]
A.
how often are they going to be there
B.
how often they are going to be there
C.
how long are they going to be there
D.
how long they are going to be there
【单选题】In many cities nowadays, _________________________.
A.
people used to shop at small stores.
B.
pollution is becoming a serious problem.
C.
most people are going to work at home.
D.
people didn’t travel as much from city to city.
【单选题】—_____ do you meet your pen pal? —Very often. [ ]
A.
How many
B.
How about
C.
How often
D.
How long
【单选题】— ________do you usually eat junk food? — I ______ eat it so I am healthy. A. How often; always B. How long; often C. How often; hardly ever
A.
How often; always
B.
How long; often
C.
How often; hardly ever
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