关于产程曲线异常，以下哪项是错误的（）。 A.第二产程经产妇超过2小时尚未分娩为第二

下列各句中，加点的词语使用全都恰当的一句是（　　）

A．为了驱除小儿病痛，为了祛除患儿家属的苦恼，她积极引进新技术治疗小儿肺炎等疾病，疗效显著。

B．法制可以存在于任何历史类型的国家，而法治是作为商品经济和民主政治的产物，只存在于资本主义和社会主义国家。

C．对于积极的、进步的东西，我们要推波助澜，大力支持；对于消极的、落后的东西，我们要大加挞伐、严厉批判。

D．在社会主义精神文明建设中，文明礼貌、和气待人，这种与人为善的美德，不仅商业活动中需要提倡，其它活动中也需要提倡。

正确评价服务行业的劳动生产率是很复杂的。以邮递员为例，通常如果每个邮递员投递越多的信件，人们就认为其劳动生产率越高。但事实果真如此吗如果他在投递较多信件的同时，又遗失或延误了更多信件呢 以上对劳动生产率的反对意见，是建立在对以下哪项论断的正确性的疑问基础上的

A．邮递员是服务人员中最具普遍代表性的。

B．投递信件是邮政服务的主要业务。

C．劳动生产率应该按群体类别衡量而不是按个人。

D．在计算劳动生产率时，服务质量是可以适当忽略的。

E．投递信件的数量与评估邮递员的劳动生产率有关。

阅读理解。

     Amazon Price:＄4.9

     List Price:＄10In The Firm, Mitch, a student from Harvard Law School, accepts a job at a

supposedly reputable law firm. But soon afterwards, strange things start happening and Mitch decides to

investigate, which soon puts him in danger. This New York best seller was written by the famous

American lawyer and author John Grisham, best known for his popular legal thrillers.

     Amazon Price:＄7.94

     List Price:＄10Angela's Ashes is a recollection of the author's childhood in Brooklyn and Ireland.

McCourt recounts several stories about his family's struggles with poverty, as well as his father's drinking

problem. This novel has won several awards, including the Pulitzer Prize for Biography or Autobiography.

     Amazon Price:＄1.77 List Price:＄4.99    

     In Fish Face, Emily is the fastest runner in school as well as being best at math. Tiffanie, a new girl,

joins the class and Emily tries hard to be friends with her, despite Tiffanie being a terrific reader and a

better runner. But Tiffanie turns out to be a thief! Who will believe Emily when everyone thinks she is

jealous?

     Amazon Price:＄6.19 List Price:＄12.8

     In this scaring detective fiction novel, 10 people are invited to an island. One by one, they start to die. Who's killing them? And why? Christie's best-selling novel, And Then There Were None has been adapted into several plays, films, and even video games.

     Amazon Price:＄4.28 List Price:＄7.95

     The Everything Kids' States Book: Wind Your Way Across Our Great Nation

     The Everything Kids' States Book is packed full of fascinating information about every single one of

the 50 states in the U.S.A. Full of trivia about the history, geography and land marks of each state, it is

also filled with puzzles and quizzes to keep kids entertained for hours!

     Amazon Price:＄7.6 List Price:＄15

     The Old Man and the Sea is about a fisherman (Santiago) and his attempts to catch an enormous

marlin fish. The story also looks at the friendship between Santiago and his young apprentice, Manolin.

Written in 1951, it was the last book by Hemingway which was published during his lifetime.

     Amazon Price:＄2.5 List Price:＄5

     In The Secret Garden, Mary is an Orphan who's sent to live with a reclusive uncle, Archibald

Craven. One day, she discovers a key to a mysterious garden. Mary and her friends spend a summer

secretly visiting this garden and experiencing important changes in their lives. This interesting book is

top-listed among the favorites of both children and grown-ups.

     Amazon Price:＄5.95 List Price:＄14.95

     For Boys Only: The Biggest Book Ever Despite the title For Boys Only, this book is sure to be

treasured by whoever gets it. Packed full of useful information and advice, it is written in a light humorous

tone that is sure to tickle. How to fight off an alligator (短吻鳄) or pilot a plane in an emergency are just

two of the many subjects covered. Educational, interesting and fun, this is a great book.

1. We can know from Fish Face that_______.

A. Emily is best at reading in her class.

B. Emily gets along well with Tiffanie.

C. Tiffanie is best at running in school.

D. Tiffanie is more popular than Emily in her class.

2. If you want to buy a book about the geography of America, you can save _______.

A. ＄5.1          

B. ＄3.67          

C. ＄9        

D. ＄2.5

3. Which of the following is true according to the text?

A. Angela's Ashes is a reflection of the author's own life.

B. The Old Man and the Sea mainly talks about the friendship between Santiago and Manolin.

C. The Secret Garden is intended for children only.

D. For Boys Only is the only book that won awards.

4. And Then There Were None is similar to The Firm, because _______.

A. they are both thrillers                  

B. they are both best sellers in New York

C. both stories are set on an island          

D. both stories are adapted into films

5. For Boys Only can teach children _______.

A. how to catch an enormous alligator        

B. how to deal with emergencies

C. how to speak humorously                

D. all kinds of subjects

要收集得到较纯净的物质，下列除去杂质（括号中为杂质）方法正确的是 ______：

①CO（CO₂）--通过装有烧碱溶液的洗气瓶；

②CO₂（CO）--导出在空气中点燃；

③O₂（水蒸气、CO₂）--通过装有生石灰的干燥管；

④KNO₃固体（NaCl固体）--溶于适量热水中配成KNO₃的浓溶液，再降温结晶；

⑤铜片（表面的氧化铜）--用稀硫酸浸泡，再水洗、干燥；

⑥铁粉（氧化铁）--用稀盐酸浸泡，再过滤、水洗、干燥．

下列表达方式错误的是 [ ]

A. 甲烷的电子式

B. 氟化钠的电子式

C. 硫离子的核外电子排布式 1s²2s²2p⁶3s²3p⁴

D. 碳-12原子