Ⅰ．(Ⅰ)12345BCBAC (Ⅱ)678910ACACC (Ⅲ)1112131415BCABB (Ⅳ)1617181920BACAB Ⅱ．212223242526272829303132333435CCCDDBBACBBABDC Ⅲ．36373839404142434445BDCDDACBBB Ⅳ．464748495051525354555657585960BCADDCCDADDCCDB Ⅴ．6162636465CEADG Ⅵ．66．It gives people warnings about bad weather. 67．Because of the warning of the radio and the quick work of the principal. 68．We felt/were happy about its work 69．它们不但能发出关于坏天气的警报，还能发出关于其他危险事情的警报。 70．A special radio. /The warning radios. /Radios to helpkeep students safe. Ⅶ． The Missing of MH370 Do you remember what you were doing when the plane lost? On March 8,2014, at 2:40 a.m.,a Boeing 777- 200ER plane that carried 239 people lost connectionwith the control center, flight MH370 should arrive in Beijing at 6:30 0n March 8.But the plane didn't come back. I can't forget this event.1 was at home with myparents. Mrhen I heard the news on TV on Saturday

Ⅰ．(Ⅰ)12345BCBAC (Ⅱ)678910ACACC (Ⅲ)1112131415BCABB (Ⅳ)1617181920BACAB Ⅱ．212223242526272829303132333435CCCDDBBACBBABDC Ⅲ．36373839404142434445BDCDDACBBB Ⅳ．464748495051525354555657585960BCADDCCDADDCCDB Ⅴ．6162636465CEADG Ⅵ．66．It gives people warnings about bad weather. 67．Because of the warning of the radio and the quick work of the principal. 68．We felt/were happy about its work 69．它们不但能发出关于坏天气的警报，还能发出关于其他危险事情的警报。 70．A special radio. /The warning radios. /Radios to helpkeep students safe. Ⅶ． The Missing of MH370 Do you remember what you were doing when the plane lost? On March 8,2014, at 2:40 a.m.,a Boeing 777- 200ER plane that carried 239 people lost connectionwith the control center, flight MH370 should arrive in Beijing at 6:30 0n March 8.But the plane didn't come back. I can't forget this event.1 was at home with myparents. Mrhen I heard the news on TV on Saturday