更多"The word 'it' in line 22 refers to
"的相关试题:
[单项选择]The author refers to lead and cadmium (line 18) in order to show
A. elements commonly used in biochemistry
B. elements that produce only a single desired product through their reaction
C. elements more common in nature than alkali metals
D. elements less efficient at producing electrical charges than alkali metals
E. elements which are sometimes used in simple reagent design
[单项选择]______ refers to the phenomenon that the same word may have a set of different meanings.
A. homonymy
B. antonymy
C. polysemy
D. homophony
[单项选择]The word "stunning" in line 24 is closest in meaning to
(a) predictable
(b) impressive
(c) famous
(d) gradual
[单项选择]The word "depended" in line 3 is closest in meaning to
(a) improved
(b) relied
(c) demanded
(d) explained
[单项选择]The word "postulated" in line 19 is closest in meaning to
(a) analyzed
(b) doubted
(c) persuaded
(d) suggested
[单项选择]The word "resemble" in line 9 is closest in meaning to
(a) benefit from
(b) appear similar to
(c) join together with
(d) grow from
[单项选择]Judging from the context, the word "they" (Line 2, Para. 4) refers to______.
A. the security risks
B. the terrorist attacks
C. environmental hazards of over-centralization
D. the security risks, economic expenses, and environmental hazards
[填空题]The word "tributaries" (Line 3, Para. 1) probably means branch rivers of Amazon.
[填空题]What does the word "otherwise" mean here in line 7
[填空题]The word "shepherding" (Line 2, Para. 1) means studying.
[填空题](S4) The word "traumatic" in Line 2, Para. 3 probably means"________/
[填空题]Nutrient B6 can help promote release energy from food.
[填空题]Weather refers to atmospheric conditions during a few hours or days.
[单项选择]Automation refers to the introduction of electronic control and automatic operation of productive machinery. It reduces the human factors, mental and physical, in production, and is designed to make possible the manufacture of more goods with fewer workers. The development of automation in American industry has been called the "Second Industrial Revolution."
Labor’s concern over automation arises from uncertainty about its effects on employment, and fears of major changes in jobs. In the main, labor has taken the view that resistance to technological change is futile. In the long run, the result of automation may well be an increase in employment, since it is expected that vast industries will grow up around manufacturing, maintaining, and repairing automation equipment. Unquestionably, however, there will be major shifts in jobs within plants and displacement of labor from one industry to another. The interest of labor lies in bringing about this transition with a minimum of in
A. Automation will definitely lead to higher unemployment.
B. From a long-term point of view automation will bring about more jobs.
C. Automation will not cause much change in employment,
D. Sooner or later automation will do all the work instead of man,
