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阅读理解。 Even if you are an experienced backpacker or climber, you need to know what to do if something goes wrong. It is not that Alaska is that much more dangerous than other places. It is no more hazardous than elsewhere, as long as the proper precautions (预防措施) are taken. So, being prepared is important to a safe trip. First of all, make sure you pack everything you will need for your trip. Even if you are traveling by car, pack clothers and gear (用具) for backpacking. Because of the extreme weather, cars break down frequently. Pack a coat, gloves, a hat, snow-pants, sleeping bags, candles, a flashlight, and high-energy food. If you are traveling by car, also pack extra belts, a spade, and a chain (铁链). If you are camping or hiking, make sure you know how to avoid bears. If you are lost in the forest, there is no doubt that you will encounter (遇到) them. However, there is no need to be nervous. Just take these precautions: make noise as you walk, bears will avoid you; cook your food away from where you sleep, and store your food away from where you sleep, so the bears are not attracted. Both of these should keep the bears away. However, if you do encounter a bear, there are two different schools of thought. One is to make noise and scare the bear away. The other is to stand still and speak softly to get the bear to leave. If you are dealing with a brown bear, you can climb a tree, since they cannot follow. But black bears can climb. If for some reason the bear attacks, play dead. Try to protect your head and neck, and hopefully the bear will leave its “dead” prey (捕获物). 1. The underlined word “ hazardous ”(in Paragraph 1) most probably means “______ ”. A. interesting B. dangerous C. wonderful D. important 2. The author mainly tells us in Paragraph 2 that ______ . A. it is dangerous to travel by car B. the weather is always bad in Alaska C. you should take what you need for your trip D. cars break down often while traveling 3. All the following can protect you from being attacked by bears EXCEPT that ______ . A. trying to make noise as you walk B. saying something to the bear in a soft voice C. using a club to scare the bear away D. pretending to be dead when you are in danger 4. The passage is mainly about ______. A. the tips on a safe trip in Alaska B. the very dangerous bears in Alaska C. how to prevent your cars from being attacked by a bear D. how to protect yourself when in trouble
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举一反三
【单选题】关于呼吸系统的描述,错误的是
A.
呼吸系统由上呼吸道和下呼吸道组成
B.
胸膜和胸膜腔属于呼吸系统的辅助装置
C.
呼吸道是传送气体的管道,肺是气体交换的器官
D.
呼吸系统的主要功能是进行机体于外界环境间的气体交换
【判断题】《在酒楼上》有两条线索,一个是显意识的吕纬甫还乡,一个是潜意识的“我”还乡。()
A.
正确
B.
错误
【单选题】异羟肟酸铁反应的作用基团是( )
A.
亚甲二氧基
B.
内酯环
C.
酚羟基
D.
酚羟基对位活泼氢
【多选题】关于呼吸系统描述错误的是()
A.
由呼吸道和肺组成
B.
呼吸道包括鼻,咽,喉,气管
C.
肺有支气管树和肺泡组成
D.
主要功能是运输气体
【单选题】粗车 HT150 时,应选用牌号为 ( C ) 的硬质合金刀具。
A.
YG3
B.
YG8
C.
YT5
【单选题】粗车 HT150 时,应选用牌号为 ( C ) 的硬质合金刀具。
A.
YG3
B.
YG8
C.
YT5
【判断题】社区矫正工作者是指依法参加社区矫正工作的所有人员。
A.
正确
B.
错误
【单选题】下列关于呼吸系统的描述错误的是
A.
呼吸系统由上呼吸道和下呼吸道组成
B.
胸膜和胸膜腔属于呼吸系统的辅助装置
C.
呼吸道是传送气体的管道,肺是气体交换的器官
D.
呼吸系统的主要功能是进行机体于外界环境间的气体交换
【判断题】社区矫正工作者指参加社区矫正工作的所有人。
A.
正确
B.
错误
【单选题】关于呼吸系统的描述错误的是
A.
由呼吸道和肺组成
B.
上呼吸道是指鼻、咽、喉
C.
下呼吸道是指气管及其分支
D.
肺炎属于下呼吸道感染
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