I 语言知识及应用 (共两节，满分45分)
第一节 完形填空 (共15小题；每小题2分，满分30分)
阅读下面短文，掌握其大意，然后从1～15各题所给的A、B、C和D项中，选出最佳选项，并在答题卡上将该项涂黑。
Some passengers won’t turn off their mobile phones or iPads during takeoff or landing. It happens on almost every 1 now. It’s time to turn off personal electronic devices when the plane’s door 2 . However, there’s always at least one person who keeps talking, texting, playing, watching or emailing — and 3 strict orders to power down during flights.
“People have become so 4 to those devices, and a lot of people 5 whether they really need to turn them off,” says an airhostess from Southwest Airlines.
Is turning off the devices really 6 in the first place? Lots of passengers have doubted about the 7 of leaving devices on. They think one cell or message or game isn’t going to 8 down the plane.
Indeed, there’s no 9 scientific evidence that having devices powered on during takeoff and landing would cause a 10 , only that there is the potential of a problem.
