The accident drew renewed attention to the popular but (1) A320. It was the first plane Airbus designed using highly computerized systems that are (2) to curb pilot error and allow crews to land (3) autopilot. Now (4) all Airbus planes—from the A320 to the jumbo A340—operate on a " fly by wire" system, which uses electrical impulses (5) cables and pulleys to move the control (6) on the plane’s wings. (7) into the plane’s software also is a protective "envelope" that limits (8) steeply a pilot can climb, dive or band the aircraft.
Still, Airbus has a relatively good safety (9) with A320. Last week’s crash was the seventh accident—the fifth resulting in (10) —involving A320 since its (11) in 1987. But some of those accidents have raised the question of whether the aircraft’s computer system may be too complicated
A. high above
B. close to
C. far from
D. short of
| Floods, storms and other natural events
kill thousands of people every year. So does extreme heat. Experts say heat may
be nature’s deadliest killer. For example, extreme heat was blamed for killing
more than one hundred people in India and Pakistan in two thousand seven.
Daytime temperatures rose to more than forty-five degrees Celsius in some areas.
On June eleventh, the temperature in one desert town hit fifty-one
degrees. Experts say the total heat of a hot day or several days can affect health. Several hot days are considered a heat wave. Experts say heat waves often become dangerous when the nighttime temperature does not drop much from the highest daytime temperature. This causes great stress on the human body. Doctors say people can do many things to protect themselves from the dang A. wear dark colored clothes B. wear more C. eat more food D. drink more water [单选题]数字化预案编制中的关键性技术不包括( )
A.地理信息技术 B.风险评估技术 C.后勤保障技术 D.三维全景技术 [多选题]【多选题】按照水循环方式不同,锅炉可以分为( )。
A.自然循环锅炉 B.强制循环锅炉 C.直流锅炉 D.复合循环锅炉 [单项选择]大黄泻下作用最强的成分是
A. 大黄素 B. 番泻苷 C. 大黄鞣质 D. 大黄酸 E. 芦荟大黄素 [单选题]野外作业遇雷雨时,作业人员应放下手中的金属器具,迅速到安全处所躲避,如( )。
A.低凹处 B.大树下 C.电杆旁 D.涵洞内 [单选题]根据《职业病防治法》，医疗机构建设项目可能产生放射性职业病危害的，建设单位应当向（ ）提交放射性职业病危害预评价报告。
A.卫生行政部门 B.安全监管部门 C.医疗机构 [单选题]糖浆是以( )原料为主调制而成的汁液。
A.双 B.结晶 C.再结晶 D.麦芽糖 [单选题] 依据《中国南方电网有限责任公司电力安全工作规程》(Q/CSSG 510001-2015)第5.3.8条规定:作业现场在厂站的带电区域内或邻近带电导体附近,( )使用金属梯子;搬动梯子.管子等长物应将其放倒后,宜由两人搬运,并与带电部分保持足够的安全距离。
A.可以 B.禁止 C.必须 D.在特殊情况下可以 我来回答: 提交
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