关于慢性支气管炎的描述，不正确的是 A．是青少年常见疾病 B．可以引起慢性阻塞性肺气
题型：单项选择题
问题：
关于慢性支气管炎的描述，不正确的是
A．是青少年常见疾病
B．可以引起慢性阻塞性肺气肿
C．可以引起慢性肺源性心脏病
D．是老年人常见疾病
E．病毒及组织反复感染是重要原因
题型：单项选择题
Three Gorges Cruises(游程)
Day 1 Home → Beijing
We will meet you at the airport in Beijing and take you to the hotel in the downtown area.
Day 2 Beijing
After breakfast, you’ll visit Tiananmen Square. Then you will go to the Forbidden City, the home of Chinese emperors for more than 500 years. In the evening you will attend a welcome party and have a chance to enjoy Beijing Roast Duck!
Day 3 Beijing → Chongqing
After breakfast, you will fly to Chongqing and visit the Chongqing Museum. Then your cruise down the Yangtze River will begin on the five-star cruise ship, Regal China. You will spend the night on the ship.
Day 4 Chongqing → Fengdu
At 8:00 a.m., the cruise will leave Chongqing. Relax on the deck, and enjoy the beautiful scenery of the river. In the afternoon, we will arrive at Ghost City — Fengdu for an excursion (短途游览) on the shore. Overnight on the ship.
Day 5 Three Gorges
You will sail through the Qutang Gorge and the Wu Gorge, and take a small boat down the Shennong Stream to enjoy the scenery.
Day 6 Three Gorges
After passing the Xiling Gorge, you will go on a morning shore excursion to the Three Gorges Dam.
Day 7 Three Gorges → Wuhan →Shanghai
At 2:30 p.m., the cruise ship will arrive in Wuhan and the cruise tour will end. You will have a chance to visit the Yellow Crane Tower（黄鹤楼）, and then you will fly to Shanghai.
Day 8 Shanghai → Home
You will visit the Shanghai Museum in the morning. After lunch, you will visit the Bund （外滩）, which is said to be a landmark of Shanghai. Then you will be seen off at Shanghai airport.
小题1: How many nights will you spend on the cruise ship?
A．2.
B．3.
C．4.
D．5.小题2:On which day will you have an afternoon shore excursion?
A．Day 4.
B．Day 5.
C．Day 6.
D．Day 7.小题3:What is the order of the journey?
① the Wu Gorge ② the Yellow Crane Tower
③ the Xiling Gorge ④ the Bund
⑤ Chongqing Museum ⑥ Fengdu
⑦ the Three Gorges Dam ⑧ the Forbidden City
A．⑧⑤⑥③①②⑦④
B．⑧⑤⑥①③⑦②④
C．⑧⑥③⑤②①⑦④
D．④⑤⑥①②③⑦⑧小题4: How much will a family with 2 adults and a 3-year-old child pay for the visit?
A．US$4375.
B．US$4905.
C．US$3950.
D．US$4537.5.