A、 The Boeing 747 symbolizes the beginning of a new ear in air transport.
B、 The Boeing 747 is the first type of airplane in air transport.
C、 Modern air transport started from the Boeing 747.
答案：A
A、 The Boeing 747 symbolizes the beginning of a new ear in air transport.
B、 The Boeing 747 is the first type of airplane in air transport.
C、 Modern air transport started from the Boeing 747.
答案：A
A. After flight test, customer will paint aircraft.
B. The aircraft which has been painted will fly to customer after flight test .
C. We will paint aircraft for customer after flight test.
A. Apply two kindreds of protective compound to shield the sealant from any harm caused by hydraulic fluid.
B. In order to prevent damage to the sealant from hydraulic fluid, it is necessary to apply two layers of protective compound.
C. To prevent hydraulic fluid from drowning the sealant, it is recommended to apply two layers of protective compound.
A. Clean the elastic surfaces that are transparent.
B. Clean the plastic surfaces that are not transparent.
C. Clean the plastic surfaces that are not vague.
A. Ensure that the parts bond correctly by applying pressure on the base of the patch.
B. Apply weight to the patch surface to ensure a correct bond between the parts.
C. Do not put pressure on the surface of the patch, as it is unnecessary for proper bonding.
A. This Section shall be clearly stated and cross-referenced to the proper paragraph in Section 2 of the Handbook which consists of limitations.
B. This Section contains limitations which shall be clearly stated and cross-referenced to the proper paragraph in Section 2 of the Handbook.
C. The proper paragraph in Section 2 of the Handbook shall describe and cross-reference this Section included in this limitations.
A. The Check List may be designed by "Challenge" and "Response" headings or by "Item" and "Condition" headings for two pilot airplanes or for single pilot Airplanes.
B. The Check List for the pilot may be set by "Challenge" and "Response" headings for two airplanes or by "Item" and "Condition" headings for single Airplane.
C. For two pilot airplanes, "Challenge" and "Response" headings may be used on the Check List. For single pilot Airplanes, "Item" and "Condition" headings may be used.
A. When fuel comes out, you should perpare for fire eliminating.
B. It is necessary to exterminate fire properly when fuel starts to leak.
C. Use a fire extinguisher immediately if there is fuel leakage.
A. Perform a test to identify the source of data transmission from the management unit.
B. Perform a test to determine if the management unit is transmitting the data.
C. Conduct a test to confirm that the management unit does not transmit the data.
A. Schematic diagram designers may make a compromise so as to add more details to make the diagram self-explanatory and keep its simplicity at the same time for ease of reading and understanding.
B. In designing schematic diagrams, it may be necessary to pay attention to both detail that is necessary to make the diagram self-explanatory, and simplicity that is essential for ease of reading and understanding.
C. Detail makes the diagram self-explanatory. Simplicity makes it easy to read and understand. It is necessary to consider both of them and make a compromise if needed when designing schematic diagrams.
A. You must obtain medical help as soon as you can.
B. You must obtain medical help as more as you can.
C. You must obtain medical instructions as soon as you can.
解析：这道题目考察的是对英语句子的理解能力。正确答案是A选项：You must obtain medical help as soon as you can. 这句话的意思是“你必须尽快获得医疗帮助”。关键词是“medical aid”意思是“医疗援助”，所以正确的表达应该是“medical help”。
如果你选择B选项：You must obtain medical help as more as you can. 这句话是错误的，因为“more”是比较级，表示“更多”，在这个句子中并不合适。
如果你选择C选项：You must obtain medical instructions as soon as you can. 这句话也是错误的，因为题目中提到的是“medical aid”而不是“medical instructions”，所以这个选项也不符合题意。
