【单选题】Slavery was ______ in the U.S. in the 19th century.
【单选题】The following things about the railroads aroused public resentment EXCEPT ______ .
D.
their indifference toward individuals
【单选题】下列叙述错误的是( )。
C.
化妆品具有清洁、消除不良气味、护肤、美容和修饰的目的
【单选题】(As) secretary of transportation, he worked to help the (bankrupt railroads) in the northeastern (United States) (solved) their financial problems.
【单选题】密封储藏塑料薄膜外结露原因是:薄膜外()高于薄膜内,薄膜外空气达到露点时,将在薄膜外产生结露。
【单选题】是由硬件或软件构成,或者是两者兼具的系统,用于检测入侵,防止专用网络内外的未授权访问。
【单选题】As the value of the yen falls relative to the U.S. dollar in the foreign exchange market:
A.
Japanese goods become more expensive to the U.S. consumers.
B.
the supply of dollars will fall.
C.
the demand for Japanese goods will increase in the U.S. market
D.
U.S. goods become less expensive to Japanese consumers.