以下事物中氟含量排列正确的是（）-我要搜题网

Taking pictures is fun, and taking good ones is not difficult if you follow a few simple rules.
Before you snap(快拍)a picture, thinking about it. Be sure that you are close enough to your subject. A pretty face against a clear background (背景), for example, makes a good picture. But a distant figure, lost among trees and clouds lacks interest. In a landscape(风景) scene, try to keep at least two thirds of the picture below the line where the ground meets the sky, for a sky-scene, keep at least two thirds of the picture above that line.
Study pictures in newspapers and books. Try to see why some are better than others. Use what you learn to improve your own pictures.

The writer talks mostly about pictures taken______.
A. outdoors
B. indoors
C. in color
D. for newspapers

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[单选题]企业在遵守、维护和改善社会秩序,保护和增加社会福利所承担的职责和义务属于企业的( )。
A.法律责任
B.经济责任
C.社会责任
D.行为规范

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[多选题]终端WEB页面提供的故障诊断方法主要有( )。
A.声音
B.色条测试
C.网络测试
D.环回测试

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[判断题]发动机总容积越大，它的功率也就越大。
A.正确
B.错误

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[判断题]心肺复苏术是对心跳、呼吸骤停所采用的最初紧急措施。( )
A.正确
B.错误

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[多项选择]以下有关性心理障碍的说法正确的是（）
A. 患者大多数性格内倾
B. 多数患者对社会生活适应良好
C. 大多数患者性欲亢进
D. 因寻求性欲满足的异常行为方式，常伴有反社会行为
E. 以上说法都不对

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[单选题] 线路设备综合图坡度栏中竖线为变坡点的位置,两竖线间向上的斜线表示( )。
A.坡度
B.上坡
C.下坡
D.高程

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[单选题]私自制作或使用票务钥匙属于（）。
A.一类票务事故
B.二类票务事故
C.一级票务违章
D.二级票务违章

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[单选题]防止机械伤害机电设备“四不准”是指：（）；（）；（）；（）；
A.不准聊天；不准干工作无关的事；不准离开工作岗位；班中不准睡觉；
B.不准带病运转；不准超负荷运转；不准在运转时维修保养；运行时，操作人员不准将头、手、身伸入运转的机械行程范围内；
C.不准请假；不准吸烟；不准班中吃饭；不准吃零食；

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[多选题]监理单位在应当获得监理酬金之日起30天内仍未受到支付单据，业主又未对监理单位提出任何书面意见时，( )
A. 监理单位可向业主发出终止合同通知
B. 26天后可自行终止合同
C. 终止合同通知发出56天后仍未答复，可终止合同
D. 监理单位继续正常履行合同
E. 有权得到业主所给的拖欠酬金利息

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[判断题]本月促活用户是指上月沉默用户在本月脱离三无极低状态的用户。
A.正确
B.错误

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[多选题]苯泄漏事故的特点主要为(　　)。
A.易发生爆炸燃烧事故
B.洗消困难
C.易扩散
D.污染环境
E.易造成人员中毒伤亡

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[填空题]Each year some 4 trillion e-mails are sent worldwide from about 600 million electronic mailboxes. In 1995, employees sent three e-mails per day and received five. E-mail usage has jumped mom than six fold, with employees now sending an{{U}} (36) {{/U}}of 20 e-mails and receiving 30 each day. During March and April 2001, Rogen International{{U}} (37) {{/U}}the first study on the{{U}} (38) {{/U}}of e-mail and face-to-face communication in the work place. More than 1,400 senior-and middle-level executives{{U}} (39) {{/U}}in the international survey. They said that despite popular myth, e-mail has not{{U}} (40) {{/U}}the amount of face-to-face communication{{U}} (41) {{/U}}at work. While executives are spending an average 120 minutes a day receiving, checking,{{U}} (42) {{/U}}and sending e-mails, they are also still spending 130 minutes a day in formal and informal face-to-face meetings. The message from the research is clear. Business leaders should{{U}} (43) {{/U}}th

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[单项选择]以下事物中氟含量排列正确的是（）
A. 水果＞调味剂
B. 骨骼＞表皮＞腺体
C. 水果＞空气＞土壤
D. 动物＞植物＞空气
E. 茶叶＞海鱼

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[单项选择]以下事物中氟含量排列正确的是（）A. 水果＞调味剂B. 骨骼＞表皮＞腺体C. 水果＞空气＞土壤D. 动物＞植物＞空气E. 茶叶＞海鱼

热门试题:

[单项选择]以下事物中氟含量排列正确的是（）
A. 水果＞调味剂
B. 骨骼＞表皮＞腺体
C. 水果＞空气＞土壤
D. 动物＞植物＞空气
E. 茶叶＞海鱼