卵子由卵巢排出后未受精,黄体开始萎缩是在排卵后的A.5~7天 B.9~10天 C.1

题型:单项选择题

问题:

卵子由卵巢排出后未受精,黄体开始萎缩是在排卵后的

A.5~7天

B.9~10天

C.11~12天

D.13~14天

E.15~16天

考点:临床执业医师临床执业医师32
题型:单项选择题

漫画《赛跑》启示我们在成长道路上要[ ]

A.发挥主观能动性,锲而不舍   

B.尊重客观规律,循序渐进   

C.明确人生目标,锐意进取   

D.增强竞争意识,自立自信

题型:单项选择题

阅读理解

     The early 1900s were very different from today.Toys,though they have evolved in many ways,were

still the delight of children everywhere.

     Theodore Roosevelt's Presidency marks the beginning of the "Teddy Bear". In the year 1902,toy

bears were named "Teddy" after the president's nickname.The Teddy Bear became known worldwide

,and is still known and loved today.It was only a few years later that the Teddy Bears were mass

produced.

    In 1913,an item called the Erector Set was invented.It was a steel,motorized toy that children could

use to build models of anything.Its creator was A. C.Gilbert,a medical doctor.

    Charles Pajeau created a similar wooden set called Tinker Toys in the year 1914.Tinker Toys were

made for younger children.

     Raggedy Ann dolls first came on the scene after newspaper cartoonist Johnny Gruelle reproduced the

doll he made for his daughter.That was in 1915.

     The following year,an architect's son named John Lloyd Wright,invented Lincoln Logs,which were

interlocked to make structures.

     Two years after Mickey Mouse was created,stuffed(填塞)Mickey Mouse dolls were made by

Charlotte Clark.This was the start of Disney merchandise.

     The yoyo became popular in the United States after Donald Duncan bought a yoyo company in

1929.

    The ViewMaster,a three dimensional viewer,was developed by a camera enthusiast named William

Gruber.The toy became popular when Gruber licensed Disney characters to make still,3D images from

Disney movies and television programs.

    Finally,in 1940,model airplanes were mass produced.They started out as a way for manufacturers to

sell planes to the military,but later caught on as a toy.

    The toys that we know and love today have had their roots from these ancient times.Isn't it interesting

to know that if it hadn't been for all these creative people,most of the games you know today would

never have been?

1. Why were toy bears named "Teddy"?

A. To be suitable for mass production.

B. To be easily pronounced by children.

C. To meet the advertisers' needs.

D. To memorize President Theodore Roosevelt.

2. In which aspect do the toys created by Gilbert differ from those by Charles?

A. Shape.  

B. Material used.

C. Themes.  

D. Price.

3. When did the ViewMaster become popular?

A. After William Gruber was born.

B. After Gruber licensed Disney characters.

C. Two years after Mickey Mouse was created.

D. When Disney merchandise was started.

4. From the last paragraph we can learn that________.

A. those people who created these games should never be forgotten

B. some toys created in ancient times now disappear

C. creativity exists in every field all the time

D. toys nowadays are totally different from those in ancient times

5. What does the passage talk about?

A. The function of toys.

B. The history of Disney characters.

C. Toys in the early 1900s.

D. The financial meaning of toys.

题型:单项选择题

如何判断磨机是否饱磨。

题型:单项选择题

疾病监测中的监测主体是

A.致病因子和高危行为
B.疾病及其影响因素
C.致病因子、环境和社会因素
D.病人、致病动物和媒介昆虫
E.易感者、致病因子和传播条件

题型:单项选择题

在土质松软处挖坑,应采取加挡板、撑木等防止塌方的措施。不应由下部掏挖土层。()

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