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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】As the plane circled over the airport，everyone sensed that something was wrong. The plane was moving unsteadily through the air，and although the passengers had (11) their seat belts，they were suddenly...
A.
installed
B.
fastened
C.
connected
D.
held
【单选题】刘小姐，24岁。左侧第二磨牙牙龈红肿，牙痛影响睡眠。 最佳的护理指导是
A.
口含冰块
B.
口含温开水
C.
红外线照射
D.
侧卧位面颊置冰袋
E.
侧卧位面颊置热水袋