监理工程师按委托监理合同要求对设计工作进度进行监控时，其主要工作内容是（）。 A．编

阅读理解。

     Xi'an holds the International Horticultural Exposition, 2011. The International Horticultural Exposition(世园会)  has a long history and it'll show us the beauty of the nature. So the International Horticultural

Exposition is an honor for all of the Xi'an people. Our government has

promised that it will be the best one. And Xi'an, as a host city, had more chances to develop quickly. As

a student in Xi'an, I should learn English well so that I can be a volunteer in the exposition to help foreigners know more about Xi'an.

    The Expo emblem(徽章)  looks like the famous City Wall. The Expo is based on a general pattern of "

two circles,  two axes,  and five clusters. . . " Xi'an Horticultural Expo was held from April to October,

2011.

    Great changes have taken place in Xi'an and more and more people throughout the world are focusing

their attention on Xi'an now.  As a citizen of Xi'an, I must spare no efforts to do what I should do. First, I

decide to plant more trees to make our city more beautiful.  Second, I should obey seven nos and be good at learning from others.Third,I should study hard so that I can do something better for my city in the future.

1._______ is the host of the International Horticultural Exposition,2011.

2.  We students should learn English well in order that we can be a volunteer to help _______ know more about Xi'an.

3.  International Horticultural Exposition, 2011, Xi'an will last_______.

4. The Xi'an Horticultural Expo is based on a_______ of "two circles, two axes, and five clusters."

5. What can we do for the International Horticultural Expo?

    We should _______, obey seven nos, learn from others and work hard.

53岁女性患者，因摔倒时手掌着地，感右肘关节肿痛、畸形，X线摄片如图所示，下列正确的诊断是（）

A.右肱骨外髁骨折

B.右肱骨内上髁骨折

C.右肱骨外上髁骨折

D.右肱骨小头骨骺分离

E.右肱骨内髁骨折

真空下降原因？

电力电子设备通常靠精确电源零交叉原理或电压波形的形态进行控制和操作，若电压有谐波成分时，零交叉移动、波形改变，会造成（）。

A．失灵

B．失真

C．超差

D．以上都是

化妆品配方中，水含量可高达90%以一，为确保质量，所用水是（）

A、蒸馏水

B、自来水

C、矿泉水

D、离子交换水