【简答题】The writer believes that the rhythm of our footsteps changes as______
【单选题】摩托车做飞越障碍物的表演时为了减少向前翻的危险,下列说法正确的是( )
【判断题】消费者也可以在家中实施 HACCP 体系
【单选题】The writer believes that, in western society, dreams are considered to be ______.
【简答题】在铁碳合金中的碳除少量溶于铁素体之外,主要以两种形式存在,即 和 。
【单选题】The writer believes that reading by the computer is advisable chiefly because it ______ .
A.
saves a lot of time to find information needed
B.
reads more efficiently than a human mind
C.
covers a much wider range of reference
D.
guarantees reading efficiency and validity
【简答题】The writer believes that polar bears are not a species in their own right.
【单选题】The writer believes that Americans do not learn foreign languages largely because they are lazy.