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【简答题】
为了明显地表示地势变化,纵断面图的竖直比例尺是水平比例尺的 倍。
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举一反三
【单选题】He found ______ very helpful to memorize the words of some popular English songs.
A.
it
B.
him
C.
this
D.
that
【单选题】社会感知计算是指通过人类生活空间日益部署的大规模、多种类传感设备，实时感知、识别社会个体的行为，分析挖掘群体社会交互特征和规律，辅助个体社会行为，支持礼群的互动、沟通和协作。根据上述定义，下列属于社会感知计算的是：
A.
某婚恋网站利用手机定位功能提供本地化约会服务
B.
某地气象台利用手机短信向市民发布台风预警信息
C.
某厂商借助计算机分析产品销售情况了解顾客偏好
D.
市民可以用发短信的方式向当地媒体提供新闻线索
【简答题】My friend, David Smith, had pet birds. One day he called me and told me he would be 25 for a week. He asked me to feed the birds for him. Unfortunately, I did not 26 to feed the birds until the night ...
【简答题】A.He knows the woman very well． B.He is a good driver． C.He is a helpful person． D.His home is miles away．
【简答题】A.He is a nice guy. B.He has pretty ears. C.He is very helpful. D.He is very talkative.
【单选题】He told me to rest for a while. He told me to rest____.
A.
quietly
B.
for a short time
C.
while he spoke to me
D.
for a long time
【单选题】—Who is the most ___________ student in your class? —I think Jimmy is. He is very out going, helpful and creative.
A.
popular
B.
clever
C.
friendly
D.
patient
【单选题】We all like Wang Ling because he is always ______ us , and he is very helpful .
A.
friendly to
B.
angry with
C.
mad at.
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