治疗白血病可输入（）。 A.洗涤红细胞 B.浓缩红细胞液 C.新鲜血浆 D.浓缩血小

发布时间：2020-03-19 22:08 │ 来源：www.tikuol.com

题型：单项选择题 B1型题

问题：

治疗白血病可输入（）。

A.洗涤红细胞

B.浓缩红细胞液

C.新鲜血浆

D.浓缩血小板

E.纤维蛋白原

考点：计划生育主治医师外科学基础外科学基础题库

题型：单项选择题 B1型题

维系蛋白质一级结构的化学键是（）

A.疏水键

B.盐键

C.氢键

D.二硫键

E.肽键

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题型：单项选择题 B1型题

阅读理解。

New Zealand

What can you see?
Mountains, volcanoes, rivers, lakes,
waterfalls, forests, beaches. Both islands
are mountainous. In fact, only 30% of
New Zealand is flat.

The Maoris
When the Maoris first arrived in New
Zealand, they lived in villages and were
excellent fishermen, hunters and farmers.
About 50 years ago many Maoris started to
live and work in the large cities and took jobs
in government, industries, medicine and
education. They are proud of their culture
and are determined to keep many of the
customs which are part of their way of life.

Who can you meet?
Most people live on North Island.
Eighty-five percent of New Zealanders are
"pakeha" ("white people"), which means
their "great grandfathers" came from Europe.
Ten percent are Maoris. The Maoris came
to New Zealand from the Polynesian islands
probably around the tenth century. The
"pakeha" started to arrive in New Zealand
from Europe about 200 years ago as farmers
and businessmen.

                  Fact box: New Zealand
     Position: South of the Equator (赤道);
nearest neighbor. Australia, 1 600 km away.
     Size: Two main islands-North Island
and South Island: together they are 268 680
km2.
     Population: 4 million
     Capital: Wellington
     Languages: English and Maori

1. When did the white people begin to live in New Zealand?

A. About 50 years ago.
B. About 85 years ago.
C. About 200 years ago.
D. About 1 000 years ago.

2. The country's population is mainly made up of _____.

A. the white people and the Polynesians
B. the Maoris and the white people
C. the white people and the "pakeha"
D. the Maoris and the Polynesians

3. Maoris started to live in the large cities because _____.

A. they got jobs there
B. they were tired of life in villages
C. they lost their houses
D. they wanted to live as the white people

4. What do the Maoris value most in life?

A. Living in small villages.
B. Developing farming skills.
C. Keeping their own culture.
D. Taking up government jobs.

5. Which of the following is a fact about New Zealand?

A. 4 million white people.
B. Over 1/3 of the country being flat.
C. About 1 600 km south of the Equator.
D. Ten percent of the population being Maoris.

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题型：单项选择题 B1型题

如图（a）所示，“ ”型木块放在光滑水平地面上，木块水平表面AB粗糙，光滑表面BC且与水平面夹角为θ=37°．木块右侧与竖直墙壁之间连接着一个力传感器，当力传感器受压时，其示数为正值；当力传感器被拉时，其示数为负值．一个可视为质点的滑块从C点由静止开始下滑，运动过程中，传感器记录到的力和时间的关系如图（b）所示．已知sin37°=0.6，cos37°=0.8，g取10m/s²．求：

(1) 斜面BC的长度；

(2) 滑块的质量；

(3) 运动过程中滑块克服摩擦力做的功．

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题型：单项选择题 B1型题

生态环境

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题型：单项选择题 B1型题

大额自助转账交易（）客户本人办理，且（）核查身份证和验证账户密码.

A.只能，需要

B.不需要，需要

C.只能，不需要

D.不需要，不需要

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