A. Biometric devices
B. Limited logon hours
C. Mantraps
D. Rack doors
第1题:
You will want two trees about ten feet apart, from _____ to suspend your tent.
(A) there (C) which
(B) them (D) where
选择D
可改写为you will want two tress about ten feet apart, to suspend your tent from.
只要有介词摆在空格之前,选项是which, them ,there ,where肯定是which
介词+which+动词不定式,整体做定语
第2题:
A.lossofretailsales
B.delaysinreceivingchecks
C.disruptionofbusinessoperations
D.lossofsuppliersorcustomers
第3题:
第4题:
A、进程调度
B、短程(short-term)调度
C、长程(long-term)调度
D、中程(medium-term)调度
答案:C
第5题:
第6题: