【判断题】感染是病原微生物在一定条件下侵入易感动物机休,并相互作用而导致机体一系列的病理反应过程。( )
【单选题】It is reported that Latin American customers talk ______ on the phone as people in North America.
A.
two to four times as long
B.
two times four as long
C.
two to four time as long
D.
two to four times longer
【单选题】If an American is invited to talk something about entertainment industry, he or she might not mention ______.
【单选题】关于软件测试与质量保证,正确的理解是 。
A.
软件测试关注的是过程中的活动,软件质量保证关注的是过程的产物
【判断题】感染是病原微生物在一定条件下侵入易感动物机体,并相互作用而导致机体一系列的病理反应过程。
【单选题】There will be a talk ____ American history this afternoon. [ ]