【单选题】The phrase 'going to the dogs'(paragraph 3)most probably means
【单选题】As we all know, the number of Tibetan antelopes(藏羚羊) ________ becoming ___________.
C.
is; smaller and smaller
D.
are; smaller and smaller
【单选题】主轴不明显的落叶乔木的分枝高度一般要求( )以上。
【单选题】在“新建CSS规则”对话框中,若要定义一个名为word的类样式,则选择器名称应该定义为________。 ( )
【单选题】— The number of pandas is getting________ because their living areas are becoming polluted. — So we must do something to protect them.
【单选题】The environment is becoming worse and worse. We must stop the pollution __________ longer. [ ]
【单选题】We can infer from the passage that _________________.
A.
America is becoming a warlike country
B.
the American role in the world is no longer proper
C.
America will become the most powerful again if it starts to learn foreign customs
D.
America shouldn't remain blind and ignorant with respect to other nations' cultures
【单选题】FDM 是按照( )的差别来分割信号的。