填空题

Do everything possible in the industrial departments __________(提高产品的质量降低产品的成本).

【参考答案】

to raise the quality and lower the cost of products
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A．SoB．HoweverC．AnywayD．Moreover
A．So
B．However
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A．Nowadays, scientists pictured the circulation of ocean’s water mass as consisting of large slow-moving currents.
B．Before 1965 ,the concept of scientists produced only a rough approximation of the true circulation.
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