电焊工被（）照射后，眼睛疼痛，看不清东西，通常叫电焊“晃眼”。-我要搜题网

Trying to get Americans to eat a healthy diet is a frustrating business. Even the best- designed public-health campaigns cannot seem to compete with the tempting flavors of the snack-food and fast-food industries and their fat-and sugar-laden products. The results are apparent on a walk down any American street--more than 60% of Americans are overweight, and a full quarter of them are overweight to the point of obesity.
Now, health advocates say, an ill-conceived redesign has taken one of the more successful public-health campaigns--the Food Guide Pyramid--and rendered it confusing to the point of uselessness. Some of these critics worry that America’ s Department of Agriculture caved in to pressure from parts of the food industry anxious to protect their products.
The Food Guide Pyramid was a graphic which emphasizes that a healthy diet is built on a base of grains, vegetables and fruits, followed by ever-dec
A. It stresses the value of grains, vegetables and fruits.
B. It places emphasis on the four basic food groups.
C. It rejects higher proportion of meat, sweets and oils.
D. It met objections from meat and dairy industries.

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[单选题] 当条件不改变时，溶液放置时间稍长，溶质(　　)。
A.会沉降出来
B.不会分离出来
C.会分解
D.会浮上来

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[多项选择]蔡氏夫妇的年均收入为18万元，月均支出为6000元，现有住房一套，无儿女。最近房地产行情看涨，所以蔡氏夫妇打算投资另一处房产，通过按揭贷款的方式获得住房，贷款70万元，还款期限是10年，年利率是6.5%，采取的还款方式是每月等额本息的方式。则下列说法正确的是( )。
A. 蔡氏夫妇每月的还款额为4181.5元
B. 蔡氏夫妇每月的还款额为4134.3元
C. 若蔡氏夫妇入住新房，将旧房出租，租金是3500元(税后)，则保持原来生活水平的月均支出为6700元
D. 若房贷利率会随着通货膨胀调整，而蔡氏夫妇的租金收入的通胀调整相对滞后，则应当将闲置资金存入银行
E. 对蔡氏夫妇而言，投资银行股票是对抗通货膨胀的更适合的理财方式

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[单选题]下列软件中,不是操作系统的是()。
A.Linux
B.Unix
C.Msdos
D.Msoffice

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[单选题]关于龋病Ι类洞的原发部位描述正确的是
A. 牙的咬合面
B. 所有牙齿的发育窝沟
C. 后牙窝沟
D. 上前牙腭侧点隙
E. 上前牙腭侧窝

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[判断题]( )内部带O形圈的轴套往轴上安装时不用涂抹润滑油。
A.正确
B.错误

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[单项选择]Questions 33 to 35 are based on the passage you have just heard.A. Becoming a public speaker. B. Reporting the news to the public.
C. Writing news for newspapers. D. Dealing with campus politics.

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[单选题]P2P投资不需要什么专业知识，这种说法（）。
A.错误
B.正确

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[填空题]Now listen to a short conversation and a passage on the tape. This will be played once on the recorder. You may make notes while you are listening, but you should not answer any questions until the reading is over. {{B}}Qustion 1{{/B}}If a loan is granted to purchase a car, what do we call this kind of loan

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[判断题]计算机联锁机房的安全保护地线与防雷保护地线可共用。

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[单项选择]某企业需要对某生产设备进行技术改造，这项工作专业性强、涉及范围小、工期短，其采用的项目管理组织是（）组织。
A. 项目式
B. 职能式
C. 矩阵式
D. 组合式

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[多选题]―年版100元纸币较2005年版100元纸币增加了哪些防伪特征?
A.光彩光变面额数字
B.光变油墨面额数字
C.光变镂空开窗安全线
D.有色荧光竖号码

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[单项选择]It can be inferred from the passage that the tabula rasa view of Condillac (line 19) presented the brain as which of the following
A. (A) Immutable from the point of its creation
B. (B) Evolving from inherited trains to learned ones
C. (C) The seat of the soul
D. (D) Varying from individual to individual
E. (E) Initially free of attributes

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[多选题]电脑设备质保期内出现( )问题可报维护单位进行维修。
A. 硬件
B. 软件
C. 网络
D. 以上所有

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[单选题]飞机停在跑道上,当气压值调到场压时,气压高度表一般看作指示( ),实际上指示( )。
A.场面高度,座舱高度
B.零高度,座舱高度
C.标准海压高度,修正高度
D.零高度,零点高度

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[单项选择]急性坏死性胰腺炎常发生（）。
A. 血钙升高
B. 血钙降低
C. 血钾升高
D. 血钾降低
E. 血磷降低

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[单选题]发生即刻非特异性免疫应答阶段的时间为
A.发生于感染0~4小时之内
B.发生在感染4~96小时之内
C.发生在感染96小时之后
D.发生在感染12小时之后
E.有时可不发生

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[填空题]双向运行的自动闭塞区段，在同一线路上，当一个方向的通过信号机开放后，（）的信号机均须在灭灯状态。

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[简答题]加热炉炉管结焦现象是什么？