【简答题】Everything in the world should be regarded ______. (是处于运动之中,而不是处于静止状态)
【简答题】尽管在此次紧急迫降中,飞机跑道( airstrip )不够长,但经验老到的飞行员还是让飞机滑行了很短的一段时间后就停了下来。 (veteran, taxi, inadequate)
【单选题】A statement describing how the world should be
A.
is a normative statement.
B.
is a positive statement.
C.
would only be made by an economist speaking as a scientist.
D.
would only be made by an economist employed by the government.
【判断题】多路判断必须通过嵌套多个 if-else 语句来处理。
【简答题】尽管在此次紧急迫降中,飞机跑道不够长,但经验老到的飞行员还是让飞行员滑行了一段时间后就停了下来。
【单选题】This article implies that all the TV sets in the world should be destroyed.
【单选题】桑塔纳轿车的双速散热风扇,其低速是( )。
【判断题】Normative statements describe how the world is, while positive statements prescribe how the world should be.