20xx年12月英語六級考試短文改錯沖刺訓(xùn)練(一)-展示頁
2024-09-03 11:40本頁面
【正文】 y, experts are pointing the blame at portable electronic devices such as portable puters, radio and 4. _____ cassette players and mobile telephones. RTCA, an anization advertises the aviation industry, has 5. ______ remended that the airline bans such devices from used during “critical” stages of lignt, particularly take off and landing. Some experts have gone further, calling for a total ban during all flights. Currently, rules on using these devices are left up to individual airlines. And although some airlines prohibit passengers from using such equipment during takeoff and landing, most are willing to enforce a total ban, given 8. ______ that many pasengers want to work during flights. The difficulty is predicting how electromagic fields may affect an aircraft’s puters. Experts know that portable devices emit radiation which affect those wavelengt
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