采矿工程专业英语(新)-作业二

一、判断(共计50分,每题2.5分)

1、Because of its simplicity and small scale, shrinkage stoping is now a very popular method of noncoal mining for veins of modest size.

A. 正确
B. 错误

2、In many metal operations, the deposit will be mined from levels that are spaced at an appropriate distance.

A. 正确
B. 错误

3、Sublevel stoping is a vertical mining method in which a large open stope is created within the vein.

A. 正确
B. 错误

4、Shrinkage and sublevel stoping utilize vertical or steeply inclined openings (and gravity for the flow of bulk materials), high opening-to-pillar ratios, and light support mainly in the development openings.

A. 正确
B. 错误

5、TBMs were then used in the earliest attempts to tunnel under the English Channel, starting in 1865; most of them used drag-bit or disk cutters.

A. 正确
B. 错误

6、Neither evolutionary nor revolutionary changes have been evident in the application of automation and robotics to mining.

A. 正确
B. 错误

7、Whether it increases or decreases, it is safe to assume that underground mining will continue to play an important role in supplying mineral resources in the future.

A. 正确
B. 错误

8、An underground mine requires three groups of physical plant installations: the surface plant, the shaft plant, and the underground plant.

A. 正确
B. 错误

9、Placer mining is another subclass, employed for the recovery of soluble or fusible minerals or those that can be easily recovered in slurry form.

A. 正确
B. 错误

10、Openings driven for exploration purposes cannot be utilized to develop the deposit.

A. 正确
B. 错误

11、Most aqueous mining methods are comparatively expensive, with relative costs of more than 5%。

A. 正确
B. 错误

12、Only conventional mining practice is used for shaft sinking in an underground mine.

A. 正确
B. 错误

13、Underground development openings can be ranked in three categories by order of importance in the overall layout of the mine.

A. 正确
B. 错误

14、The definition of unsupported methods precludes the use of roof bolts or light structural supports of timber or steel, for such support does alter the load-carrying capacity of the natural rock.

A. 正确
B. 错误

15、Auger mining is a mining method that recovers coal or other minerals from under the highwall when the ultimate stripping ratio has been achieved in open cast mining operations.

A. 正确
B. 错误

16、The VCR method was patented by a Canadian explosives firm that developed the crater testing method that ensures that the blasting procedure is adequate for the rock mass in the stope.

A. 正确
B. 错误

17、The nature and extent of lunar mineral resources have been well known even after the Soviet and American exploratory landings.

A. 正确
B. 错误

18、The construction of underground openings is specialized but not expensive.

A. 正确
B. 错误

19、Of the unsupported methods, room-and-pillar mining and stope-and-pillar mining employ horizontal openings, low opening-to-pillar ratios, and light-to-moderate support in all openings.

A. 正确
B. 错误

20、The two major variations of open cast mining are area mining and contour mining. Area mining is carried out on relatively flat terrain with flat-lying seams.

A. 正确
B. 错误

二、单选(共计50分,每题2.5分)

21、Specific methods may be _______ because of their adverse effects on subsequent operations (e.g., processing, smelting, environmental problems, etc.).

A.  included
B. concluded
C. excluded
D. deluded

22、Exploitation in which mining of ore, coal, or stone is carried out at the surface with essentially no exposure of miners underground is referred to as__________.

A. surface mining
B. underground mining
C. ocean mining
D. moon mining

23、If we consider fishing and________ as part of agriculture and oil and gas production as part of mining, then agriculture and mining continue to supply all the basic resources used by modern civilization.

A. lumbering
B.  lumbar
C. lumen
D. lumbago

24、The history of mining is________.

A. daunting
B. disconcerting
C.  setting
D. fascinating

25、－Nice to meet you. －_____

A. Fine, thank you.
B. How are you?
C. Nice to meet you, too.
D. Thank you.

26、Because the strengths decrease in the order stated, it is advantageous to apply the loads to overcome the smallest strength (________) and the next smallest strength (shear) before the rock is broken by compressive loads.

A. compressive
B. shear
C.  torsional
D. tensile

27、The freeing or detaching of large masses of harder rock from the parent deposit is termed rock __________.

A. penetration
B. movement
C. mechanics
D. breakage

28、The unit operations involved in excavating or moving bulk materials during mining are termed ________.

A. materials handling
B. material marketing
C. material transforming
D. material selling

29、 The propagation velocity of _______wave along charge is called denotation velocity.

A. body
B. surface
C.  detonation
D. shear

30、- How do I get to the cinema?- _________

A. It's very far.
B. Yes, there is a cinema near here.
C. It's well known.
D. Go down this street and turn left.

31、It is common for the targets in prospecting to __________ multiple sites around the world and a wide suite of metals, nonmetals, and fuels.

A. encompass
B. encounter
C. encourage
D. encrease

32、__________ method is defined as those associated with induced, controlled, massive caving of the ore body, the overlying rock, or both, concurrent with and essential to the conduct of mining.

A. Caving
B. Unsupported
C. Supported
D. Surface

33、A __________ plan ordinarily outlines a sequence of mining that dictates（决定） the blocks of ore and overburden to be mined a few months to 10 or more years in advance.

A.  long-term
B. production
C. random
D. short-term

34、The discovery of a new mineral deposit has been ________ to the search for the proverbial needle in a haystack.

A. darkened
B. loosened
C. likened
D. weakened

35、Mathieson (1982) makes the point that the initial cash flow is very important, as the income generated during the first five or ten years of exploitation is more apt to _______ or break the mine than the economics of the long-term mine plan.

A. take
B. make
C.  carry
D. deck

36、The depositing of ________ (overburden) in mined-out areas means that the mining activity is concentrated in a relatively small area.

A. soil
B. spoil
C. toil
D. toil

37、How much is that meat, please?- _____________________

A. Ten o'clock.
B. Ten yuan a kilo.
C. I like it very much.
D. I don't like.

38、 The reclamation of open cast mining is performed ___________ after mining.

A. long
B. years
C. as soon as possible
D. not

39、Development, Stage 3, to a considerable degree __________ exploitation, Stage 4.

A.  precedes
B. leads
C. impedes
D. succeeds

40、Most open pit mines are less than ___________ m in depth unless they are associated with a deposit of better than average grade, stripping ratio, or size

A. 50
B.  100
C. 200
D. 300