【判断题】如果金属中不含位错,那么它将有极高的强度,但如果采用冷塑性变形、热处理等方法使金属的位错密度提高,也会提高金属的强度。
【单选题】People who remember their dreams do so because they ______.
A.
find the content relevant
C.
have retentive memories
【单选题】在国际期货市场上,套利交易的佣金一般( )。
D.
比一个单盘交易的佣金费要高,但又不及一个回合单盘交易的两倍
【简答题】在国际期货市场上,套利交易的佣金一般( )。
【简答题】在国际期货市场上,套利交易的佣金一般( )。
【单选题】It is few people, ______ have come to ask for the question, ______fit for the job.
【单选题】People who remember their dreams do so because they ______.
A.
find the content relevant
C.
have retentive memories