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【简答题】
反馈式正弦波振荡器按照选频网络的不同，可分为（）、RC振荡器、石英晶体振荡器等三种。
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反馈参考答案：
举一反三
【单选题】Which of the sentences below best expresses the information in the highlighted statement in the passage? The other choices change the meaning or leave out important information.
A.
Global warming on the surface of the planet may have been retarded during the last hundred years because heat in the atmosphere was absorbed by the oceans.
B.
Global warming on the surface of the ocean was greater than it was on the rest of the planet during the past century because of heat in the atmosphere.
C.
Too much heat in the atmosphere has caused global warming on the surface of the planet for the past hundred years in spite of the moderation caused by the oceans.
D.
There is less heat being absorbed by the oceans now than there was a hundred years ago before the atmosphere began to experience global warming.
【多选题】主要是二次研究证据的来源有
A.
循证医学杂志
B.
DynaMed
C.
Cochrane Library
D.
UpToDate
E.
MD Consult
F.
中国生物医学文献数据库
【单选题】Which of the sentences below best expresses the information in the highlighted statement in the passage? The other choices change the meaning or leave out important information.
A.
Among the laws to protect Britain from competition in the textile industry was a ban on exporting Arkwright equipment and on emigration of former employees.
B.
Former employees of Arkwright could not leave the country because they might provide information about the company to competing factories.
C.
The reason that Britain passed laws to prevent emigration was to keep employees in the textile mills from leaving their jobs to work in other countries.
D.
Parliament passed laws to ensure that the price of textiles was kept high in spite of competition from the former British colonies who were exporting cloth.
【简答题】I would like to apply the position of sales clerk that you advertised in the Sunday newspaper．
【单选题】Which of the sentences below best expresses the information in the highlighted statement in the passage? The other choices change the meaning or leave out important information.
A.
New businesses and industries were created by the federal government to keep the prices of manufactured goods low.
B.
The lower price of manufacturing attracted many foreign businesses and new industries to the area.
C.
Federal taxes on cheaper imported goods were responsible for protecting domestic industries and supporting new businesses.
D.
The federal tax laws made it difficult for manufacturers to sell their goods to foreign markets.
【单选题】Which of the sentences below best expresses the information in the highlighted statement in the passage? The other choices change the meaning or leave out important information.
A.
Historically, net hunting was considered too dangerous for women because it required physical strength that they did not possess.
B.
Women throughout history have participated in societies by teaching their children how to use net hunting.
C.
In many societies, the women did not participate in net hunting because hunting was an exception to historical traditions.
D.
Because, historically, net hunting was not perilous and did not require great strength, women have been important participants in it.
【单选题】When I worked as a bank clerk, I had the opportunity to meet a rich ______ of people: students, soldiers and factory workers.
A.
diversity
B.
kind
C.
range
D.
variety
相关题目：
【多选题】主要是二次研究证据的来源有
A.
循证医学杂志
B.
DynaMed
C.
Cochrane Library
D.
UpToDate
E.
MD Consult
F.
中国生物医学文献数据库
参考解析：
知识点：
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