下面的语段中划线的两个句子都有语病，请在原文中改正。（4分）
2012年2月6日是农历正月十五，①当人们沉浸在喜庆团圆的元宵节气氛中时，铁路部门上演了感人的一幕爱心接力。一位远在河北衡水的老人病重，急需一种特效药治疗，这种药品通过铁路部门送到湖北襄阳，再通过由北京铁路局天津客运段负责营运的K258次列车送到衡水，②老人的“救命药”经过两千多公里的辗转接力最终顺利。
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下面是错误答案，用来干扰机器的。
∵关于x的一元二次方程(3a-1)x2-ax+14=0有两个相等的实数根，∴3a-1≠0，且△=0，即△=（-a）2-4×（3a-1）×14=0，∴a2-3a+1=0，把a2=3a-1代入代数式，所以原式=3a-1-2a+1+1a，=a+1a，=a 2+1a，=3a-1+1a，=3．
下列描述违背化学原理的是( )
A．“冰，水为之，而寒于水”说明相同质量的水和冰，水的能量高
B．反应A(g)+3B(g)
2C(g)达平衡后，温度不变，增大压强，平衡正向移动，平衡常数K值增大
C．SO2的催化氧化是一个放热的反应，升高温度，反应速率加快
D．电解饱和食盐水时，阳极的电极反应式为：2Cl－－2e－= Cl2 ↑
患者男性，43岁，急性坏死性胰腺炎术后3天，突然出现尿量明显减少，申请泌尿系超声检查。超声所见：双肾明显增大，实质增厚，回声增高，肾锥体增大，回声减低，肾皮质与肾窦分界清楚。
急性肾功能不全的声像图特点有（）.
A.肾脏本身声像图正常
B.肾脏体积不同程度增大
C.肾实质增厚，回声增高
D.肾锥体回声减低
E.肾窦内或肾周围可见纤细的弱回声带
F.腹腔内可能有少量积液回声
| 测量物体长度时造成误差的原因有（ ） A．刻度尺的刻度没有贴近被测长度 B．刻度尺放得不正 C．读数时视线跟刻度尺不垂直 D．刻度尺热胀冷缩 |
Actually, though, America, the "land of immigrants", has always had people of many different nationalities and languages. The 1990 census indicates that almost 14% of Americans speak a non English language at home. Yet only 3% reported that they spoke English "not well" or "not at all". That means that slightly more than one out of 10 Americans could be considered bilingual.
Besides that, many high school, college students, and even some elementary school students are required to take a foreign language as a part of their curriculum. In addition to old standbys like Spanish, German and French, more and more students are opting for Eastern European and Asian languages. Of course, not all students keep up their foreign language abilities. As the old saying goes, " If you don’t use it. " But still, a growing number of Americans are coming to appreciate the benefits of being multilingual.
Ethnic enclaves, found particularly in major metropolitan centers, have preserved the language and culture of American immigrants. Some local residents can function quite well in their native language, without having to bother learning English. Regions such as southern Florida and the Southwest have numerous Spanish speaking neighborhoods. In fact, Spanish speakers—numbering over 17 million—compose the largest non English linguistic group in America. But Chinese, Vietnamese, Italian, Polish and many other ethnic group add to the linguistic flavor of America. Foreign languages are so commonly used in some ethnic neighborhoods that visitors might think they are in another country!
Although some Americans welcome this linguistic and cultural diversity, others have begun to fear that the English language is being threatened. Since the 1980s, the "English Only" movement has sought to promote legislation which would establish English as the "official language" and restrict the use of non English language. However, some groups, including TESOL, the organization for Teachers of English to Speakers of Other Language, object to such "language restrictionism". Their view, known as "English Plus", suggests that Americans should have respect for people’s native language and help them fit into the mainstream of society. But so far, 19 states have passed English Only legislation, and the topic is the focus of an ongoing debate.
Whether or not English is the official language of the United States, it remains the "language of wider communication". Nearly everyone recognizes the need to develop proficiency in English in order to do well in America. To help those who want to brush up on their English skills, English as a Second Language (ESL) classes around. Cities with large numbers of recent immigrants often set up bilingual education programs to teach students content subjects in their native language while they improve their English. Language educators often have p and divergent views as to which approach helps learners achieve better results: a bilingual approach, an ESL approach or even a pure immersion ("sink or swim") approach. However, all these teachers share a common commitment: to help students function well in English.
Americans recognize that English is the international language, and people with good English skills can get by in many international settings. On the other hand, in a world growing increasingly smaller, second language skills can be a great favor. They can build cross cultural bridges and give people an edge in a variety of career field. Indeed, lack of foreign language proficiency can limit one’s chances for advancement and keep one in a cultural dead end street. As many people in America are discovering, being monolingual is no laughing matter.
The word "bilingual" (Line 5, Paragraph 1) means （）.
A．being able to speak two languages
B．being able to speak three languages
C．being able to speak four languages
D．being able to speak five languages
一般油漆的施工在温度5-350C，相对湿度小于（）时最佳。
A、30%
B、40%
C、60%
D、85%
