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【简答题】
根据短文内容,从短文后的选项中选出能填入空白处的最佳选项.选项中有两多余选项. What is your favourite colour? Do you like yellow,orange,red? __ 1 __Do you prefer grey and blue? Then you are probably quiet,shy,and you would rather follow than lead. You tend to be a pessimist. At least,this is what psychologists tell us,and they should know,because they have been seriously studying the meaning of colour preference,as well as the effect that colours have on human beings. __ 2 __If you happen to love brown,you did so,as soon as you opened your eyes,or at least as soon as you could see clearly. __ 3 __A yellow room makes most people feel more cheerful and more relaxed than a dark green one; and a red dress brings warmth and cheer to the saddest winter day. __ 4 __ A black bridge over the Thames River,near London,used to be the scene of more suicides(自杀) than any other bridge in the area-until it was repainted green. The number of suicide attempts immediately fell sharply. Perhaps it would have fallen even more if the bridge had been done in pink or baby blue. __ 5 __It is an established fact that factory workers work better,harder,and have fewer accidents when their machines are painted orange rather than black or grey. A. On the other hand,black is depressing. B. They tell us,among other facts,that we do not choose our favourite colour as grow up-we are born with our preference. C. The rooms are painted in different colours as you like. D. If you do,you must be an optimist,a leader,an active person who enjoys life,people and excitement. E. Light and bright colours make people not only happier but more active. F. Life is like a picture or a poem,full of different colours. G. Colours do influence our moods-there is no doubt about it.
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【单选题】硅藻土砖属于( )绝热材料。
A.
高温
B.
中温
C.
低温
D.
超低温
【单选题】关于航拍手法“俯视镜头”的描述,错误的是
A.
飞行器可在空中进行悬停俯视
B.
俯视时可配合下降逐渐对准目标
C.
俯视时不可配合旋转镜头
D.
俯视时可配合拉升以扩大视野
【单选题】关于航拍手法“俯视镜头”的描述,错误的是?
A.
飞行器可在空中进行悬停俯视
B.
俯视时可配合拉升以扩大视野
C.
俯视时可配合下降逐渐对准目标
D.
俯视时不可配合旋转镜头
【判断题】宗族的存在具有使人离心的作用。
A.
正确
B.
错误
【单选题】木炭、石棉、硅藻土等属于( )
A.
织物介质
B.
粒状介质
C.
多孔固体介质
D.
多孔膜
【单选题】硅藻土杀虫剂来源于硅藻土矿,其化学成分是二氧化硅。按中国农药毒性分级标准,硅藻土杀虫剂属()。
A.
低毒杀虫剂
B.
中毒杀虫剂
C.
高毒杀虫剂
D.
无毒杀虫剂
【简答题】现场仪表使用中的防护有哪些?
【单选题】硅藻土属于( )。
A.
机械沉积岩
B.
生物沉积岩
C.
变质岩
D.
化学沉积岩
【判断题】燧石、硅藻土属于石英类型。
A.
正确
B.
错误
【单选题】在电控系统电路图中导线颜色“G”指什么颜色。( )
A.
红色
B.
白色
C.
黑色
D.
绿色
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