问题 单项选择题

李某,初孕妇,孕36周,四步触诊结果:于子宫底部触到圆而硬的胎儿部分,在耻骨联合上方触到较软而宽、不规则的胎儿部分,胎背位于母体腹部右前方。胎心音于脐上右侧听到。则胎方位为

A.枕右前
B.枕左前
C.骶左后
D.骶左前
E.骶右前

答案

参考答案:E

解析:本题为一个综合分析题,要求能掌握四步触诊的判断以及胎方位的定义。根据四步触诊结果可知,胎头在子宫底部,为臀先露,应以骶骨为指示点,而胎背在母体腹部右前方,可推知骶骨应在母体骨盆的右前方。

阅读理解

阅读理解。

     Bamboo (竹子) is one of nature's (自然) most surprising plants. Many people call this plant a tree, but it

is a kind of grass.

     Like other kinds of grass, a bamboo plant may be cut very low to the ground, but it will grow back very

quickly. A Japanese scientist reported one bamboo plant which grew 1. 5 meters (4 feet) in 24 hours! Bamboo

grows almost everywhere in the world except Europe. There are more than 1, 000 kinds of bamboo.

     Not all bamboo looks the same. Some bamboo plants are very thin. They may only grow to be a few

centimeters wide while others may grow to more than 30 centimeters (1 foot) across. This plant also comes

in different colors, from yellow to black to green.

     Bamboo has been used to make many things such as hats and kitchen tools ( 厨房用具). Because it is

strong, bamboo is also used to build buildings.

     Many Asian countries have used bamboo for hundreds of years. They often use bamboo for buildings

and supporting (支撑) new buildings and bridges while they are being built.

      In Africa, poor farmers are taught how to find water using bamboo. These African countries need cheap

way to find water because they have no money, and their fields often die from no rain and no water. Bamboo

pipes ( 管子) help poor farmers bring water to their thirsty fields without spending a lot of money.

1. How is bamboo like grass?

A. It grows quickly.

B. It's wood.

C. it is easy to cut.

D. It is very thin.

2. Though you can see bamboo everywhere, it doesn't grow _____.

A. in China

B. in Europe

C. on mountains

D. in Africa

3. Why is bamboo used by African poor farmers? Because _____.

A. it is cheap

B. it has different colors

C. it is strong

D. it has been used by Asians

4. Bamboo pipes can _____.

A. make money

B. be trees

C. grow quickly

D. carry water

5. In Asia, bamboo has been used for _____.

A. a short time

B. many thousands of years

C. many hundreds of years

D. about 100 years

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