题目内容

安徽天星野生动物园医院设有一排装动物的笼子，每只笼子只装一只动物。为了避免打搅动物，医院不安排某种捕食者和被捕食者相邻居住。能够接受的动物的物种是O、R、S、T、U。它们之间仅有的捕食关系如下： (1)O捕食R。 (2)U捕食R。 (3)O捕食S。 (4)S捕食T。若P和O分别在2号和4号洞，则下面哪一项可能正确

A. R在3号洞。
B. R在5号洞。
C. S在6号洞。
D. U在1号洞。

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Good morning, Ladies and Gentlemen:Welcome aboard Dragonair Airlines Flight 121 Hong Kong to Paris. Our flight will take about three hours. We will be flying at an altitude of 3473 meters and the average speed is 903 kilometers per hour.In order to ensure the normal operation of aircraft navigation and communication systems, mobile phones, toys and other electronic devices throughout the flight and the laptop computers are not allowed to use during take-off and landing.We will take off immediately, please be seated, fasten your seat belt, and make sure your seat back is straight up, your tray table is closed and your carry-on items are securely stowed in the over-head bin or under the seat in front of you. This is a non-smoking flight; please do not smoke on board.The chief purser Adam Smith with all your crew members will be sincerely at your service. We hope you enjoy the flight! Thank you!This announcement is broadcast before the plane is to (1) .The flight is from (2) to (3) .Passengers are allowed to use laptop computers except when the plane is to take off and (4) .Throughout the flight, (5) and the use of electronic devices are not permitted. 4（）

What does the man mean？（）

A. Someone is already using the phone.
B. Is the call definitely a local one
C. Isn’t the phone working now
D. It’s OK to use the phone.

When will the woman leave？（）

At 5:45.
B. At 6:00.
C. At 5:30.
D. At 5: 15.

A--lunar calendarB--lunar JanuaryC--New Year's EveD--the beginning of New YearE--Spring Festival coupletsF--paper-cutsG--New Year paintingsH--do Spring Festival shoppingI--propose a toastJ--lanternK--fireworksL--firecrackersM--red packetsN--dragon danceO--traditional operaP--staying-up （）红包（）剪纸