题目内容

According to UK official statistics, every year about 2000 lives are lost through occupational disease or injury, about 20,000 major industrial injuries occur （e.g. skull fracture, loss of sight） and

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影响金属塑性变形的因素有金属本身的性质、变形温度、变形速度等（）

Work is an important determinate of health. It can influence health positively or negatively.

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We are now focusing on the adverse effects of work on health, although the positive effects of appropriate work on health and well-being are no less important.