44.A 45.D
try doing sth.意为“尝试做某事”。
根据上文，通过互相展示爱好，从别人的爱好中发现自己新的爱好。on the way“在路上”；by the way“顺便说一下”；in a way“从某种意义上说”；in this way“用这种方式”。故D符合句意。
IV.46.D 由第一段第四句They knew it was good for their business.可知。 47.D 48.D
由第一段第二句As an important officer, he was often asked to dinner.可知。
由第一段第五、六、七句可知，他越来越胖，几乎不能上楼了，并且做家务和步行都感到累，故选D。
49.C 50.C
由第一段第八句He was worried about it and had to go to a doctor.可知。
由第二段最后一句To move your head from side to side when you are invited to dinner.可知，实际上医生是在劝告他拒绝邀请。
V.51.matter 56.importance VI.61.moving 62.go
52.teeth
53.knives 54.passengers
55.almost 60.temperature
57.risks 58.decision 59.themselves
without是介词，后接动词-ing形式。
have to为情态动词，其后接动词原形。
63.yourself 句意：你不应该总想着你自己。 64.to visit expect to do sth.意为“期望做某事”。 65.not to wait 66.to help 67.habits
tell sb. not to do sth.意为“告诉某人不做某事”。
agree to do sth.意为“同意做某事”。 我们应该摒弃坏习惯。
68.important 由be动词is可知应用importance的形容词形式important。 69.swimming 70.climbing
keep on doing sth.意为“继续做某事，一直做某事”。
mind doing sth.意为“介意做某事”。
Ⅶ.71.great enough, to 72.saw, writing 73.Why don’t 74.What should, do Ⅷ.One possible version:
Jack is my friend. He likes playing computer games very much. He often sits in the same way for too long without moving. Now he has a headache, sore eyes and a sore back. He doesn’t sleep well at night, so he feels tired every day.
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I think he should take breaks away from the computer. He shouldn’t use the computer for a long time. He should do eye exercises to relax his eyes and go to bed early at night.
I think if he has a good rest, he will feel well soon.
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