下列各项不属于内部控制基本要素的是（）。

was moving unsteadily through the air, and【31】the passengers had fastened their seat belts, they were suddenly thrown forward. At that moment, the air-hostess【32】. She looked very pale, but was quite【33】. Speaking quickly but almost in a whisper, she【34】everyone that the pilot had fainted and asked if any of the passengers knew anything about machines or at least how to drive a car. After a moment's【35】, a man got up and followed the hostess into the pilot's cabin.

Moving the pilot aside, the man took his seat and listened carefully to the urgent instructions that were being sent by radio from the airport below. The plane was now dangerously close【36】the ground, but to everyone's relief, it soon began to climb. The man had to【37】the airport several limes in order to become【38】with the controls. Therefore the danger had not yet passed. The terrible【39】came when he had to land. Following information, the man guided the plane toward the airfield. It shook violently【40】it touched the ground and then moved rapidly along the runway and after a long run it stopped safely.

(31)

A．although

B．while

C．therefore

D．then

was moving unsteadily through the air, and【31】the passengers had fastened their seat belts, they were suddenly thrown forward. At that moment, the air-hostess【32】. She looked very pale, but was quite【33】. Speaking quickly but almost in a whisper, she【34】everyone that the pilot had fainted and asked if any of the passengers knew anything about machines or at least how to drive a car. After a moment's【35】, a man got up and followed the hostess into the pilot's cabin.

Moving the pilot aside, the man took his seat and listened carefully to the urgent instructions that were being sent by radio from the airport below. The plane was now dangerously close【36】the ground, but to everyone's relief, it soon began to climb. The man had to【37】the airport several times in order to become【38】with the controls. Therefore the danger had not yet passed. The terrible【39】came when he had to land. Following information, the man guided the plane toward the airfield. It shook violently【40】it touched the ground and then moved rapidly along the runway and after a long run it stopped safely.

(31)

A．although

B．while

C．therefore

D．then

was moving unsteadily through the air, and【B1】the passengers had fastened their seat belts, they were suddenly thrown forward. At that moment, the air-hostess【B2】She looked very pale, but was quite【B3】Speaking quickly but almost in a whisper, she【B4】everyone that the pilot had fainted and asked if any of the passengers knew anything about machines or at least how to drive a car. After a moment's【B5】, a man got up and followed the hostess into the pilot's cabin.

Moving the pilot aside, the man took his seat and listened carefully to the urgent instructions that were being sent by radio from the airport below. The plane was now dangerously close【B6】the ground, but to everyone's relief, it soon began to climb. The man had to【B7】the airport several times in order to become【B8】with the controls. Therefore the danger had not yet passed. The terrible【B9】came when he had to land. Following information, the man guided the plane toward the airfield. It shook violently【B10】it touched the ground and then moved rapidly along the runway and after a long run it stopped safely.

【B1】

A．although

B．while

C．therefore

D．then

was moving unsteadily through the air, and【C1】______the passengers had fastened their seat belts, they were suddenly【C2】______forward. At that moment, the air-hostess【C3】______.She looked very pale, but was quite【C4】______.Speaking quickly but almost in a whisper, she【C5】______everyone that the pilot had【C6】______and asked if any of the passengers knew anything about machine or at【C7】______how to drive a car. After a moment's【C8】______, a man got up and followed the hostess into the pilot's cabin. Moving the pilot【C9】______, the man took his seat and listened carefully to the【C10】______instructions that were being sent by radio from the airport【C11】______. The plane was now dangerously close【C12】______the ground, but to everyone's【C13】______, it soon began to climb. The man had to【C14】______the airport several times in order to become【C15】______with the controls of the plane.【C16】______the danger had not yet passed. The terrible【C17】______came when he had to land. Following【C18】______, the man guided the plane towards the airfield. It shook violently【C19】______it touched the ground and then moved rapidly【C20】______the runway and after a long run it stopped safely.

【C1】

A．although

B．while

C．therefore

D．then

as moving unsteadily through the air，and although the passengers had【11】their seat belts，they were suddenly【12】forward．At that moment，the air-hostess appeared．She looked very pale，but was quite calm．【13】quickly but almost in a whisper，she informed everyone that the pilot had fainted and asked【14】any of the passengers knew anything about machines or at least how to drive a car．【15】a moment's hesitation，a man got up and followed the stewardess(空中小姐)into the pilot's cabin．

Moving the pilot aside．the man took【16】and listened carefully to the urgent instructions that were being sent by radio from the airport【17】．The plane was now dangerously close to the ground，but to everyone's relief，it soon began to climb．The man【18】circle the airport several times in order to become familiar with the controls．

Following instructions，the man guided plane towards the airfield．It shook【19】as it touched the ground and then moved rapidly across the field，but after a long run it stopped safely．Outside，a crowd of people who【20】anxiously，rushed forward to congratulate the“pilot”on a perfect landing．

(11)

A．installed

B．fastened

C．connected

D．held

was moving unsteadily through the air, and【C1】______the passengers had fastened their seat belts, they were suddenly【C2】______forward. At that moment, the air-hostess【C3】______. She looked very pale, but was quite【C4】______Speaking quickly but almost in a whisper, she【C5】______everyone that the pilot had【C6】______and asked if any of the passengers knew anything about machines--or at【C7】______how to drive a car. After a moment' s【C8】______, a man got up and followed the hostess into the pilot' s cabin.

Moving the pilot【C9】______, the man took his seat and listened carefully to the【C10】______instructions that were being sent by radio from the airport【C11】______. The plane was now dangerously close【C12】______the ground, but to everyone' s【C13】______, it soon began to climb. The man had to【C14】______the airport several times in order to become【C15】______with the controls of the plane.【C16】______the danger had not yet passed. The terrible【C17】______came when he had to land. Following【C18】______, the man guided the plane to ward the airfield. It shook violently【C19】______it touched the ground and then moved rapidly【C20】______the runway and after a long run it stopped safely.

【C1】

A．although

B．while

C．therefore

D．then