9. What happened to a woman in their talk while she was traveling in Europe?

　　 A. She got lost.　　 B. She lost her suitcase.　　 C. She arrived at the airport late.

Conversation 5

8. What is the woman most afraid when flying?

A. Traveling alone.　　　　 B. Losing her luggage.　　　 C. Losing her ticket.

7. What are the speakers talking about?

A. Travel troubles.　 B. Thefts(偷窃行为)on the vacation. C. Luggage (行李)problems.

6. What do you think of the woman?

A. She was rude.　　　 B. She was clever.　　　　　 C. She was forgetful(难忘的).

Conversation 4

5. What color sweater did the woman buy in the end?

A. A gray(灰色) one.　　　　 B. A green one.　　　　 C. A black one.

4. Why couldn’t the woman go on her holiday trip right away(马上)?

A. She didn’t have enough money.　　　　　　　　　

B. She should learn the language first.　　　　　　　　

C. She wanted to see her friends.

Conversation 3

3. Where is the woman going next year?

A. To China.　　　　　　 B. To Japan.　　　　　　 C. To Egypt.

2. What is the woman going to take to Helen’s house?

A. Some snacks(小吃).　　 B. Some food.　　　 　C. A bottle of wine.

Conversation 2

1. What are the speakers talking about?

A. A birthday party.　　　　　 B. Some gifts.　　　　 C. Their neighbors.

1从A处望B处的仰角为α,从B处望A处的俯角为β,则α、β的关系为(　 )Aα＞β　　 　　　Bα=β　　　 Cα+β=90°　　　 Dα+β=180°

2海上有A、B两个小岛相距10海里，从A岛望C岛和B岛成60°的视角，从B岛望C岛和A岛成75°的视角，则B、C间的距离是　

A10海里　　　 B海里　　 C5海里?　 D5海里

3一船向正北航行，看见正西方向有相距10海里的两个灯塔恰好与它在一条直线上，继续航行半小时后，看见一灯塔在船的南60°西， 另一灯塔在船的南75°西，则这只船的速度是每小时　

A5海里?　　 B5海里　 C10海里?　　 D10海里

4一树干被台风吹断折成与地面成30°角，树干底部与树尖着地处相距20米，则树干原来的高度为　　　　　　 　

5甲、乙两楼相距20米，从乙楼底望甲楼顶的仰角为60°，从甲楼顶望乙楼顶的俯角为30°，则甲、乙两楼的高分别是　　　　　　 　

6某舰艇在A处测得遇险渔船在北偏东45°距离为10海里的C处，此时得知，该渔船沿北偏东105°方向，以每小时9海里的速度向一小岛靠近，舰艇时速21海里，则舰艇到达渔船的最短时间是