31、混床再生过程中，在树脂混合前应把混床内的水面降至树脂层表面上100～200mm处 。

A、正确

B、错误

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32、This marks the first time in history that these companies will be subject to federal supervision.

A、be free from

B、be exchanged by

C、be occupied in

D、be subordinated to

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33、9% of listed firms are technically insolvent and have stopped paying their debts.

A、private

B、public

C、bankrupt

D、unsuccessful

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34、温室效应是全球性环境问题。

A、正确

B、错误

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35、With unemployment rate at 9. 7%， the president is pressing the Congress to approve financialincentives for small businesses to add workers.

A、control

B、capital

C、tools

D、stimulation

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36、反渗透压力容器最多可以装入7个膜元件。

A、正确

B、错误

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37、The law banned discrimination against people with physical disabilities in the workplace.

A、equality

B、fairness

C、differentiation

D、protection

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38、The America"s formidable capital and technological resources would be utilized to meet its objectives.

A、powerful

B、available

C、vast

D、different

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39、滤池的过滤就是通过（）、（） 和（）过程，使水进一步得到净化。

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40、The government plans to curtail economic growth to avoid speculative bubbles.

A、enlarge

B、continue

C、assist

D、restrict

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41、水越纯净，其含盐量越少，电阻越小，电导率越大。

A、正确

B、错误

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42、From the onset of the crisis， international organizations have been coordinating emergency activities.

A、ending

B、sunset

C、beginning

D、growth

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43、Stock-taking of the open policy will come this year when the National People"s Congress discusses the next five-year plan.

A、Inquiry

B、Acceptance

C、Statistic

D、Assessment

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44、凉水塔中水的冷却过程主要是在（）中进行的。

A、配水系统

B、集水池

C、淋水装置

D、通风筒

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45、事故“三不放过”的原则是什么？

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46、The structure of the fund management industry and stock market may also exacerbate the problem.

A、reduce

B、worsen

C、attribute

D、develop

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47、The aim is to modernize the moribund state-owned enterprises that threatened China"s economic progress.

A、strong

B、stagnant

C、poor

D、monopolistic

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48、在凉水塔内热水与冷空气之间同时进行两种传热作用（）和（）。

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49、Multinational companies reaped great rewards of their foreign investment in developing countries.

A、appealed

B、offered

C、earned

D、rejected

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50、We can see no justifications for an increase in the price.

A、reasons

B、results

C、explanations

D、disputes

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51、We believe the reduction should be easily offset by the unexpected increase in investment growth.

A、increased

B、cut

C、maintained

D、compensated

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52、污水场采用的二次沉淀池为辐流式沉淀池。

A、正确

B、错误

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53、For the past ten years， Japan has been virtually at a standstill while a number of countries promoted bilateral economic partnerships.

A、prosperity

B、stagnation

C、deterioration

D、stability

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54、China"s average tariff level has dropped to 5% now as the country fulfills its commitments to the WTO.

A、output

B、employment

C、salary

D、tax

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55、滑动轴承的泵轴承温度允许值应小于（），滚动轴承的温度允许值应小于（）。

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56、Officials in China are urging eligible couples to have two children because of concerms over an ageing population.

A、qualified

B、urban

C、powerful

D、wealthy

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57、Some politicians accuse the U.S. of deliberately wrecking such agreement.

A、supporting

B、destroying

C、opposing

D、pushing

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58、有一水场检修完补水，系统贮水量为7000m3，现有2个补水阀补水，第一补水阀补水量为120m3/h，第二补水阀补水量为70m3/h，求该系统补满水需多少时间？

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59、The U.S. Chamber of Commerce is supporting the efforts of some U.S. lawmakers to end the trade embargo on Cuba.

A、relation

B、freedom

C、prohibition

D、dispute

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60、什么叫硬度？

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