题目内容

Fill in the blanks with the following words.packsuitcaseflightsecurityterminalkeepsakex-ray screeningairport mall1. Will you keep your eye on my _________ while I go to get the tickets for us?2. We are leaving early tomorrow morning for the three-day hiking, so you’d better _________ tonight.3. I’ve bought several __________ for my family and friends while traveling in Guilin.4. All __________ to New York today are delayed due to the bad weather.5. There are two _______________ in this airport, one is for domestic flights and the other is for international ones.6. Your luggage will be put on the conveyer belt and checked through _________________.7. Many travelers prefer to buy keepsakes in the ______________, especially makes-ups.8. He showed his passport to the customs officer and then went through _______________, where officials checked that he was not carrying any weapons.

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Fill in the blanks with the following words.burdensometediouscompulsoryoptional1. Traveling will never be _____________ in this nature reserve because there are breath-taking sceneries all the time.2. Business trips are mostly _____________. Meanwhile, the schedule is always full.3. The travel agency offers quiet a few ____________ fascinating destinations for the tourists.4. Making preparations for a family trip is definitely a __________ task for a mother of three kids, since there is a long list of items.

边梁式车架由两根位于两边的纵梁和若干根横梁组成

A. 对
B. 错

边梁式车架用铆接法或焊接法将纵梁与横梁连接成坚固的刚性构架

A. 对
B. 错

中梁式车架只有一根位于中央贯穿前后的纵梁

A. 对
B. 错

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