According to the text, why are test flights most dangerous?(本题分值:2分) 相关知识点: 试题来源: 解析 BA. The plane may explode in the air.B. The pilot may lose control of the plane.C. The engines may be damaged.D. Too much air may get into the plane.反馈 收藏 ...
One theory, increasingly 14 (support) by experts, suggests that smell preferences are learned. It’s easy to explain how we determine 15 smells are dangerous or not: we learn. This has been adopted to ensure easier detection of gas leaks. Gas naturally 16 (have) no recog...
dangerous or not. The fact that aircraft may be vulnerable (易受损的) to interference raises the risk that terrorists may use radio system in order to damage navigation equipment. As worrying, though, is the passenger who can't hear the instructions to turn off his radio because the music'...
Airplanes seed threatening storm cells with a chemical to make small ice crystals fall as rain before they can grow into dangerous hailstones. But farmers in east-central Alberta — downwind of the hail project flights — worry that precious moisture (水分) is being stolen from their thirsty ...
storm cells with a chemical to make small ice crystals fall as rain before they can grow into dangerous hailstones. But farmers in east-central Alberta — downwind of the hail project flights — worry that precious moisture (水分...
59.考查动词的被动语态。句意:高等阶层的公民被允许住在离中心地带更近的地方。分析句子结构可知,空格处在句中作谓语,和主语Citizens of higher social classes构成被动关系,因为是对过去事实的陈述应用一般过去时。故填were permitted。 60.考查动词时态。句意:这些高...
根据第二段And although some airlines prohibit passengers from using such equipment during take-off and landing, most are reluctant to enforce a total ban, given that many passengers want to work during flights.(尽管一些航空公司禁止乘客在飞机起飞和降落时使用这类设备,但考虑到许多乘客希望在飞行期间...
3.B.细节题.根据文章内容,But, because they have not been able to reproduce these effects in a laboratory, they have no way of knowing whether the interference might be dangerous or not.航空公司对禁止在飞机上使用电子设备表现出犹豫不决是因为他们还没有完全证明乘客使用的电子设备是电磁干扰的破坏性...
The flight to Lukla is a scary flight and is considered one of the most dangerous in the world. We flew from Kathmandu but flights now are much shorter from Ramechap. I think I would like it better as we sat at the front of the plane and saw the pilot’s instruments constantly flash...
B.He thinks it will be dangerous for the flight. C.He thinks it will be good for work. D.He thinks it will be annoying. 正确答案:D 解析:本题考查人物观点。由句(1)可知,男士表示自己经常坐飞机出差,而现在飞机是所剩无几的几个不用听人们打电话聊天的地方之一。可见,他认为如果允许在飞机上打...