第4部分，阅读理解

第一篇

31.The solar wind comes into being as a result of __________ .

A.disappearance of the Sun’s gravity .

B.unpredictable weather of the Sun .

C.fast flow of energy away from the Sun .

D.a stream of particles being blown away .

32.What happens when solar wind comes to the Earth ?

A.It is trapped in magnetic belts around the Earth .

B.A protective magnetic field is formed at the same time .

C.It destroys the protective magnetic field surrounding the Earth .

D.It breaks magnetic field lines and does severe damage to the Earth .

33.The Northern Lights are created when __________ .

A.the magnetic field lines fail to reconnect .

B.the electrons falling to the Earth shine in different colors .

C.atomic particles fall to the Earth and collide with atmospheric gas molecular

D.oxygen and nitrogen are separated from the atmospheric gases .

34.Which of the following statements is true of the Northern Light ?

A.Their movement is slow enough to be observed with the eyes .

B.People cannot see them unless traveling to Alaska or Canada .

C.They are very close to the ground .

D.They are very long and thick .

35.What is the author’s tone toward the Northern Lights ?

A.Indifferent .

B.Sarcastic .

C.Sharp .

D.Appreciative .

第二篇

36.The eye-tracker technology enables us to __________ .

A.move an object from screen with a glance .

B.change our computer screen .

C.focus on anything that interests us .

D.get a smartphone connected wirelessly .

37.Why is a button needed ?

A.To minimize the cost of EyeDrop .

B.To choose as many objects as possible .

C.To select what we want .

D.To make EyeDrop different from others .

38.The world “this”in Paragraph 6 refers to __________ .

A.application of gaze-tracking in human-computer interaction .

B.interaction between human and computer .

C.generalization of EyeDrop system .

D.combination of gaze-tracking with input on touch devices .

39.Which of the following statements is true of eye-trackers for consumer us

A.They are costly .

B.They are available .

C.They are expected to come out soon .

D.They are installed in Google Glass headset .

40.What is Turner likely to study next ?

A.How to drag and drop with gaze and taps .

B.How to present the system in public .

C.How to get touchscreen involved .

D.How to cut and paste content from a public display
A young man should not marry yet, an old man not at all. 男子如年轻,还不该结婚.男子如年老,根本不该结婚.
Strike the iron while it is hot. 打铁要趁热.