第1题:
A.keep…from
B.keep…up
C.stop…to
D.make…from
第2题:
If people ________ cutting down the forest, they will have nowhere _______.
A.keep, to live in B.will keep, to live in C.keep, to live D.will keep, to live
第3题:
在MOST数据总线系统中, 把光信号变成电压,然后该电压被发送到MOST收发器。
第4题:
A.lossofretailsales
B.delaysinreceivingchecks
C.disruptionofbusinessoperations
D.lossofsuppliersorcustomers
第5题:
Australia.s most common plans are()
Aoaks and elms
Bpalms and pines
Cwillows and poplars
Deucalypts and wattles