托福阅读历年真题精选35_第2页

32 According to the passage, an advantage of using a photoflash is that it

(A)   can produce repeated bursts of light

(B)   intensities colors in photographs

(C)   is short enough not to bother human eyes

(D)   supplements existing lighting

33 The word “ignited” in line 9 is closest in meaning to

(A)   set on fire

(B)   cut into

(C)   opened

(D)   shaken

34 Which of the following phrases is defined in paragraph 1?

(A)”appreciable period”(line 1)

(B)”photographic emulsion”(line 3)

(C)”high-speed movement”(line 5)

(D)”odd poses”(line 11)

35 The word “evolution” in line 12 is closest in meaning to

(A)   publicity

(B)   adoption

(C)   development

(D)   manufacture

36 The function of the glass in the first flashbulbs was to

(A)   produce the spark that initiated the flash

(B)   magnify the light produced by the flash

(C)   protect the photographer from the heat of the flash

(D)   keep the metal and oxygen apart before the flash

37 The word “it” in line 18 refers to

(A)   oxygen

(B)   battery

(C)   wire

(D)   current

38 The word “momentarily” in line 20 is closest in meaning to

(A)   effortlessly

(B)   briefly

(C)   electronically

(D)   gradually

39 According to the passage, the white color of the smoke particles generated by a flashbulb contributes to

(A)   rapid cooling

(B)   bright illumination

(C)   electrical conductivity

(D)   intense heat

40 According to the passage, a flashbulb can be made to burn longer by using

(A)   thicker wire

(B)   more oxygen

(C)   thinner glass

(D)   continuous electricity