阅读理解。 DEPARTMENT OF HEALTH HONG KONG IMPORTANT NOTICE TO ALL PERSONS ARRIVING IN HONG KONG During your stay outside Hong Kong, you may have been exposed to certain infectious diseases without your knowledge. In case you develop any symptom (症状. such as fever, chills, skin troubles or vomiting within 14 days of your arrival in Hong Kong, you should consult a doctor or attend an accident & emergency department/general out-patient clinic. Please bring along this card. CHIEF PORT HEALTH OFFICER The Port Health Office Their staff (clerks. are glad to answer your questions about travel health. Please enquire at : -Hong Kong Island 18/F Wuchung House, 213 Queen's Rd. East, Wanchai. Tel: 2938840    Fax: 29318848--Kowloon Room 905, Government Offices, Canton Road Tel: 23683361  Fax: 23683363 1. If you stay in Kowloon, you want to make a telephone call to the port health office; the right number is _______. A. 2938840 B. 29318848 C. 23683361 D. 23683363 2. The notice is to ________. A. all citizens in Hong Kong B. all travelers to Hong Kong C. all persons going to Hong Kong from Kowloon D. all people travelling in the world 3. You may get some infectious diseases ________. A. when you arrive in Hong Kong B. before you understand them C. within two weeks of your arrival in Hong Kong D. before arriving in Hong Kong 4. Where can you read this kind of notice? A. At a hospital in Hong Kong. B. At the customs of Hong Kong. C. On 18/F Wuchung House. D. In room 905, Government Office.