清教运动

（6分）一物体做匀减速直线运动，初速度是3m/s加速度大小为0.4,在某1s内它通过的位移为0.4m,那么在这1s之前物体已运动了多少时间？

UN Secretary-General Ban Ki-moon said that "for the first time in history, more than one billion people are hungry."

The secretary-general made the statement in his message to the World Food Day, which fails on Friday. The World Food Day is celebrated on Oct. 16 annually, and the theme this year is "Achieving food security in times of crisis."

In his message, the secretary-general attributed the increase of hungry population world-wide to volatile (易变的) food prices, economic crisis, climate change and, conflict over the past two years.

Ban described food and nutritional security as "the foundations of a decent (正常的) life," saying that "the challenges of food security demand multilateral commitment (承诺), creativity and leadership."

"We must invest in food production and distribution (分配) ," he said. "Last year, I set up a. High-Level Task Force on the Global Food Crisis. Its Comprehensive (全方位的) Frame-work for Action outlines a strategy to provide safety nets and assistance for smallholder farmers and to support longer-term agricultural productivity and resilience, social protection schemes (方案), market access and fair trade. "

"The challenges of food security demand unilateral commitment, creativity and leadership. At this time of crisis, I encourage all nations to pursue coordinated (配合) and comprehensive strategies for agricultural development and effective social protection so that vulnerable people -- women and children in particular -- can get the food they need for nutritional security and well-being," he said.

60. Which day is the World Food Day?

A. On Oct. 16.        B. On Oct. 17.        C. On Oct. 15.        D. On Oct. 11.

61. How many reasons led to the increase, of hungry population worldwide according to the passage?

A. 3.                B.5.                 C.2.                 D.4.

62. What does the challenges of food security demand?

A. Multilateral commitment and leadership.

B. Volatile food prices, economic Crisis and climate change.

C. Multilateral commitment, creativity and leadership.

D. Coordinated and comprehensive strategies.

63. What is the theme of the World Food Day this year?

A. Fight Hunger to Reduce Poverty.                  B. Achieving food security in times of crisis.

C. Women Feed the World.                  D. Water: Source of Food Security.

关于前列腺增生的CT表现，下述哪项正确（）

A.左右不对称，局部凸出

B.密度不均，可见钙化

C.膀胱三角区抬高

D.前列腺上缘不超过耻骨联合以上10mm

E.增强扫描不均匀强化

具有燥湿止带、消肿排脓功效的药物是（）

A.羌活

B.防风

C.白芷

D.苍术

E.白果

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