单项选择题

In the recent three months, Hong Kong’s unemployment rate has ______. According to the news, which of the following statements is TRUE

A．Business conditions have worsened in the past three months.
B．The past three months have seen a declining trend in job offers.
C．The rise of unemployment rate in some sectors equals the fall in others.
D．The unemployment rate in all sectors of the economy remains unchanged.
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Controlling Your Concentration Ⅰ．The concerned information of concentration A．Your attention span (1) e.g. the ticking of a watch sounds as if it increases and fades although the intensity of it is constant B．You pay attention to one thing at a time —a(n) (2) : you attend to several concepts at a time —In high concentration: the shift from focus of attention is a) of short (3) b) relatively infrequent C． (4) of your attention vary to different degrees —high level: long periods of attending; short distraction periods —low level: short periods of attending; long distraction periods —moderate level: a mixture of two extremes e.g. One can’t concentrate because (5) are too strong Ⅱ．Two sorts of distractors A．Psychological distractors — (6) are the most powerful distractors a) angry man forgets the pain b) fearful man is hard to be happy c) anxious man is uneasy about the smallest of matters —people act (7) under pressure B．Physical distractors —traits: always present and rarely understood —physical distractors on mental tasks a) background music could affect comprehension and (8) b) distractors affect the ability to recall accurately c) noise affects mental task adversely Ⅲ．Routine and (9) are affected differently by distractors A．Distraction may not affects routine tasks in some backgrounds B．Exceptional people do well under (10) because —motivation plays importantly —differences exist in individual spans of attention
单项选择题
Which of the following food can both make people happy and release stress
A．Potatoes, cereals and fish.
B．Fruits and vegetables.
C．Milk and dairy products.
D．Crunchy foods.
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