目前智能业务主要有哪些?(任 * * 种即可)

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问题:

目前智能业务主要有哪些?(任 * * 种即可)

考点:通信工程师通信工程师交换技术通信工程师交换技术题库
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Section B
Directions:Complete the following passage by using the words in the box. Each word can only be used once. Note that there is one word more than you need.
distribute  B. stresses   C. unloading  D. contents  E. undoubtedly
F. strain     G. purchases  H. vitally    I. frequent   J. adventurous
  The Centers for Disease Control and Prevention says that over 50,000 people every year sustain some sort of winter-related back injury, and 5,800 of those are holiday decorating-related. These aches and pains can __41__ bring trouble to people’s life. It is said that people’s back could sustain all sorts of strain from carrying heavy __42__ , and from the increased stress of lugging suitcases, decorations and gifts. Dr. Alanna Levine spoke to Debbye Turner Bell on “The Early Show” about how to protect the back for the holiday season.
  The first tip Dr. Levine gave was about carrying heavy shopping bags. Smaller bags, she said, are better. “You don’t want to load everything up into one bag and lug it around,” Dr. Levine explained. “You want to __43__ the weight on your body.” She also recommended putting heavier items towards the bottom in those bags and lighter items on top. Also, if you can, make    __44__ trips to the car to drop off purchases.
  Travel can be another pain in the back — from carrying heavy luggage. Again, Dr. Levine    __45__ not to pack everything into one bag. Even though it may cost more, she said that packing two smaller bags is safer than packing one heavy one. Also, choose a light-weight bag, so that the only weight you’re carrying is the __46__ inside the suitcase.
  When __47__ bags from an airport carousel, Dr. Levine suggests standing close to the carousel and bending your knees to lift it up. “You want to avoid that reach-and-lift. It puts a lot of    __48__ on your lower back,” she said.
  When it comes to holiday decorating, people can get __49__. Dr. Levine suggests decorating in pairs, so one person can hand the lights and ornaments to the other person to hang, as to avoid reaching or twisting to get what you need.
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_____ works entered the writing competition this year than last year.  [ ]

A. Many more

B. Too many

C. Much more  

D. Too much

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改错。

( ) 1. They make a snowman on winter.  ________________

       A   B  C

( ) 2. She slide on the snow.      ________________

      A  B  C

( ) 3. We make snowballs and throw it. ________________

      A        B C

( ) 4. Li Ming puts on her scarf.    ________________

            A  B C

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关于浆液性迷路炎正确的是:()

A.细菌性或病毒性毒素侵入内耳引起非化脓性炎症

B.内耳感音器一般无损害

C.眩晕、眼震方向朝患侧

D.前庭功能检查常用冷热水试验

E.治疗在足量抗生素控制下行乳突手术,迷路无需开放

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滚转力偶是由()产生。

A、升力与尾桨推力

B、主桨侧倾力与尾桨推力

C、升力与主桨侧倾力

D、主桨推力与尾桨推力

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