【单选题】紫茎泽兰具有生长迅速、繁殖力强、光合效率高、能产生毒素抑制其他植物的生长、并能毒害动物等许多特点。试判断引入紫茎泽兰后对生态系统的影响( )
【单选题】I don't want to use Mary's ball-pen because I don't like _________ .
【判断题】如果要定量地测量人们相互间交往的程度、相互关系的程度,则可采用鲍格达斯社会距离量表
【简答题】i don't want her to use my computer, so i set a long _____ on my computer.
【单选题】I don't want to use Mary's ball pen because I don't like( ).
【判断题】如果要定量地测量人们相互间交往的程度、相互关系的程度,则可采用鲍格达斯社会距离量表
【简答题】听句子,从下列选项中选出与所听句子意思最相近的一个。 ( )1. A. I don't want to buy any books. B. I have enough money for these books. C. I have paid for these books. D. I can't buy these interesting books without money. ( ...
【判断题】“十八大”报告指出,要善于用法治思维和法治方法来实行社会治理,而政法委的案件协调恰恰是反法治的方式。