Radiation is simply energy traveling through space or materials, sometimes referred to as EMFs (electromagnetic fields). Radiation exists naturally, though we are exposed to much higher levels from man-made sources. There are two basic types of radiation:
Non-ionizing radiation (“everyday radiation”)
Lower energy radiation that we are exposed to in our everyday lives. Non-ionizing radiation includes radio waves, microwaves, infrared, and ultraviolet. It surrounds us in everyday life from various sources including cell phones, PDAs, laptops / computers, mp3 players / portable media devices, televisions, and power lines, to name a few. Radio waves and microwaves are frequently referred to as RF (radio frequency) and EMF (electromagnetic fields).
High-energy radiation includes x-rays and gamma rays. This type of radiation is commonly known to be very dangerous even in small doses, but, luckily, is less prevalent in everyday life. Consumer anti-radiation products do not shield against this type of radiation.
186. Which does not belong to non-ionizing radiation?
A. radio frequency
C. power lines
187. What can we infer from the text?
A. There are two basic kinds of radiation.
B. X-rays belongs to ionizing radiation.
C. Ionizing radiation is less common in daily life.
D. X-rays is more harmful than microwaves.
From: Kalinda Lee Doe; XY Trading Co
Sent to: Springfield Middle School remodeling team members
As you may know, John was hospitalized over the weekend for minor surgery to correct painful bone spurs. I am sorry to report that John Doe has been hospitalized for observation regarding a recurring health problem. He has been taking medication for an infection for the past few months, but the problem persists. Although his desires are to be at work, his doctor insists that he undergo more tests.
I have spoken with him and he is in great spirits, very eager to be back on his feet. He will be recuperating at his home for at least two weeks. John has indicated that he would welcome visitors, and has asked in particular that he be kept abreast of affairs in the bidding for the Springfield Middle School remodeling contract. Ever the technophile, Harold has been telecommuting from his “bedtop computer,” as he calls it.
Kalinda Lee Doe
188. What happened to John?
A. He went through an operation to correct painful bone spurs.
B. He went through an infection for past few months.
C. He has been hospitalized.
D. He went through an accident a few months ago.
189. When will John come back to work?
A. After two weeks.
B. After a few months.
C. It’s up to doctor’s test result.
D. After surgery.
190. What’s the main purpose of this letter?
A. To inform workmate John’s condition.
B. To invite the workmates have a visit.
C. To condole John.
D. To inform the work arrangement during this period.
My daughter was leafing through some old photo albums the other day when she laughed and pulled out an old picture to show me. There I was a skinny 12 year old with thick, bushy, brown hair. I looked down at the picture and smiled. Only one thought was on my mind: “If only I knew then what I know now.”
If I knew then what I know now. I would have danced more, laughed more, and sang more no matter who was watching. I would have not cared a bit what other people thought of me. I would have cared a whole lot more, however, about what God thought of me. I would have been fearless in showing my love, sharing my joy, and living my life.
191. Which of the following aspect is not described for the person in the old picture that the author’s daughter showed to him?
192. Of all the four ideas, which won’t the author agree with?
A. One should not care what other people think of him / her.
B. One should show his / her love bravely.
C. One should only care what God thinks of him / her.
D. One should do anything regardless of who is watching.
解析：本题考查事实细节。A项radio frequency意为“无线电波（频率）”；B项ultraviolet意为“紫外线”；D项infrared意为“红外线”；定位至第二段第二句Non-ionizing radiation includes radio waves, microwaves, infrared, and ultraviolet可知ABC三项在文中皆有对应项，其中根据Radio waves and microwaves are frequently referred to as RF (radio frequency) and EMF (electromagnetic fields) 可知radio waves意为“无线电波（频率）”与A项意思相同。C项意为“电线”，可定位至第二段第三句It surrounds…televisions, and power lines, to name a few可知以上列举项为日常辐射的举例而非属于日常辐射的范围。故本题答案为C。
解析：本题考查推理判断。推断题做题原则：正确答案需经过客观推断而非原文的原句或近原句。ABC三项均可直接从原文找到答案，故排除。由于microwaves属于Non-ionizing radiation ；X-rays属于Ionizing radiation,根据This type of radiation is commonly known to be very dangerous even in small doses可知，电离辐射比非电离辐射要更危险，由此可以推出D项。故本题答案为D。
解析：本题考查事实细节。定位至原文第一段第一句As you may know, John was hospitalized over the weekend for minor surgery to correct painful bone spurs可知约翰因为一个骨刺手术住进了医院。故本题答案为A。
解析：本题考查事实细节。定位至原文第二段第二句He will be recuperating at his home for at least two weeks可知至少两个星期后约翰出院。故本题答案为A。
解析：本题考查事实细节。定位至原文第一段第二句There I was a skinny 12 year old with thick, bushy, brown hair. I looked down at the picture and smiled. 可知，我当时12岁，身材骨瘦如柴、毛发旺盛，有一头棕色的头发，对应ACD三项。skinny意为“骨瘦如柴”，与皮肤没有任何关系。故本题答案为B。
解析：本题考查事实细节。定位至原文第二段可知作者表达出一种愿望，如果当时她知道现在所认识到的一切，她会不在意别人怎么看待她，而更关注上帝是怎么看待她的，对应AD两项。C项意为人们只需关注上帝是如何看待她，太过绝对。由I would have been fearless in showing my love, sharing my joy, and living my life对应B项。故本题答案为C。