问题 单项选择题 共用题干题

基底神经节疾病患者临床表现可分为两大类:运动过少而肌紧张过强和运动过多而肌紧张不全。

与运动调节有关的黑质-纹状体通路的递质是()。

A.Ach

B.多巴胺

C.5-羟色胺

D.甘氨酸

E.γ-氨基丁酸(GABA.

答案

参考答案:B

阅读理解

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.

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