【題目】What the doctors really doubt is________ my mother will recover from the serious illness soon.

A．when B．how C．whether D.why

【答案】C

【解析】

試題分析:考查表語從句。句意：醫(yī)生們真正懷疑的是我媽媽是否會很快從這次嚴重的疾病中恢復(fù)過來。主語從句“What the doctors really doubt”表示的是不確定的事情，ABD三項與上下文含義不一樣。只有C項符合上下文。故C正確。

練習(xí)冊系列答案
相關(guān)習(xí)題

科目：高中英語 來源： 題型：

【題目】We’re having a meeting in half an hour.The decision______at the meeting will affect the future of our company.

A.to be made B.being made

C.made D.having been made

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】There’s ______ better than seeing a child suddenly get what we teach.

A. anything B. everything C. nothing D. something

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】The term “Industry 4.0” refers to the fourth industrial revolution. The first industrial revolution was the production of goods with machines like steam engines, which was followed by the second industrial revolution that introduced mass production with the help of electric power, followed by the digital revolution —the use of electronics and IT in production.

Industry 4.0 is a high-tech project, which promotes the computerization of manufacturing (制造業(yè)). The basic principle of Industry 4.0 is that by connecting machines, work pieces and systems, we are creating intelligent networks along the entire value chain that can control each other automatically. The goal is the Smart Factory, which adapts well and uses resources efficiently as well as linking customers and business partners with great intelligence. Technological basis are the Internet systems and advanced factories. Experts believe that Industry 4.0 could be a reality in about 10 to 20 years.

So, what effects does this change have on the classic manufacturing? According to an expert, “it is highly likely that the world of production will become more and more networked until everything is connected with everything else.” Networks and processes have so far been limited to one factory. But in the time of Industry 4.0, the boundaries (界限) of individual factories will most likely no longer exist. Instead, they will be lifted in order to inter-connect multiple factories or even geographical regions.

How is an Industry 4.0 factory different from a today’s factory? In current industry environment, providing high-end quality service or product with the least cost is the key to success. Factories are trying to increase their profit as much as possible. In the time of Industry 4.0, various data sources are available to provide worthwhile information about different aspects of the factory. Using data for understanding the current condition and checking faults and failures is a natural thing. The sharing of information around the clock and around the globe will enable these connected systems to manage themselves independently, work more efficiently and identify any errors quickly.

The good news is that Europe is much better prepared for the Industry 4.0 revolution than one might think. Europe will position itself as a pioneer in the fourth revolution. Industry 4.0 is a project in the high-tech strategy of the German government. Meanwhile, in the U.S., some companies are also working hard on it. But the success of industry depends on whether business and politics can work together. It’s not only politics that needs to help open the door for Industry 4.0. Every company is advised to seize the new digital opportunities.

【1】What marks the coming of Industry 4.0?

A. Steam engines. B. Mass production.

C. Use of electronics. D. Intelligent networks.

【2】Industry 4.0 will probably result in ________ in the world of manufacturing.

A. production limited to an individual factory

B. everything connected with everything else

C. networks and processes no longer existing

D. classic factories stopping their competition

【3】What’s the meaning of the underlined part in Para. 4?

A. Sharing information of the world/span> time.

B. Global news broadcast at any time.

C. Instant worldwide information exchange.

D. Spreading news widely on the hour.

【4】According to the last paragraph, who is the most active in pushing Industry 4.0?

A. The European companies. B. The American government.

C. The American companies. D. The German government.

【5】The writer’s attitude toward Industry 4.0 can best be described as ________.

A. supportive B. negative

C. doubtful D. cautious

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】I will have to find some other work, for I can't __________ this loud noise any more.

A. come up with B. keep up with

C. make up with D. put up with

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】He gave a lot of presents to his friends, but never one to me.

A．has he given B．he has given

C．does he give D．he gives

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】Thank you for sending us ______ fresh vegetables of many kinds. You have done us _____ great service.

A./; a B. the; a C. /;/ D the; /

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】The athlete hurt his foot in the race. ,he missed the champion.

A．Consequently B．Unfortunately

C．Potentially D．Absolutely

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】An American scientist reported an unexpected and __________ discovery.

A. astonishing B. astonished

C. astonish D. astonishment

查看答案和解析>>

同步練習(xí)冊答案