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随着改革开放的日趋深入和经济现代化的加速，我国旅游业已进入一个全新的发展时期，不仅已成为亚洲的旅游强国，而且正在跻身世界旅游强国之列。但伴随我国旅游产业规模的进一步扩大和旅游产业结构的不断调整，我国旅游业发展正在步入关键的转型期，转变旅游业增长方式，走资源集约化和服务创新型的产业化道路已成为当前或今后一段时期内旅游业发展的重点。立足国际视野，从旅游业发展的全局和长远利益角度出发，今天的旅游业亟需的是从更为宏观的战略层面进行重新审视，需要的是整个发展模式的重新定位。根据国家旅游局最新统计报告显示，2009年上半年国内旅游人数10亿人次，增长10％左右；国内旅游收入5000亿元，增长10％左右；人均花费基本持平。出境市场方面，预计2009年上半年出境旅游2250万人次，同比增长1％。入境市场方面，上半年我国入境旅游6200万人次，同比下降5％，旅游外汇收入180亿美元，同比下降11％。

制定旅游产业发展战略时需要注意（）。

A.结合本国本地区的实际情况

B.经济效益、社会效益和环境效益相结合

C.优先发展国内旅游

D.客观分析旅游产业发展所处的成长阶段

答案

参考答案：A, B, D

单项选择题

Young girls at high risk for depression appear to have a malfunctioning reward system in their brains, a new study suggests. The finding comes from research that (1) a high-risk group of 13 girls, aged 10 to 14, who were not depressed but had mothers who (2) recurrent depression and a low-risk group of 13 girls with no (3) or family history of depression. Both groups were given MRI brain (4) while completing a task that could (5) either reward or punishment.

(6) with girls in the low-risk group, those in the high-risk group had (7) neural responses during both anticipation and receipt of the reward. (8) , the high-risk girls showed no (9) in an area of the brain called the dorsal anterior cingulated cortex (背侧前扣带皮质), believed to play a role in (10) past experiences to assist learning.

The high-risk girls did have greater activation of this brain area (11) receiving punishment, compared with the other girls. The researchers said that this suggests that high-risk girls have easier time (12) information about loss and punishment than information about reward and pleasure.

"Considered together with reduced activation in the striatal (纹状体的) areas commonly observed (13) reward, it seems that the reward-processing system is critically (14) in daughters who are at elevated risk for depression, (15) they have not yet experienced a depressive (16) ," wrote Ian H. Gotlib, of Stanford University, and his colleagues. " (17) , longitudinal studies are needed to determine whether the anomalous activations (18) in this study during the processing of (19) and losses are associated with the (20) onset of depression," they concluded. The study was published in the April of the Archives of General Psychiatry.

16（）

A.anecdote

B.time

C.episode

D.process
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选择题

与诗句“坐地日行八万里”最吻合的地点是（　　）

A．（90°W、0°）

B．（90°W、80°N）

C．（100°W、20°S）

D．（90°W、90°E）
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