单项选择题【B11】()
A.whenB.thatC.ifD.\
单项选择题【B12】()
A.OfB.InC.AmongD.Out of
单项选择题【B13】()
A.observedB.observableC.detectedD.detectible
单项选择题【B14】()
A.feelB.identifyC.revealD.define
单项选择题【B15】()
A.vulnerabilityB.reactionsC.exposureD.worries
单项选择题【B16】()
A.suspectableB.suspectfulC.susceptfulD.susceptible
单项选择题【B17】()
A.complicatingB.complicatedC.complexD.composite
单项选择题【B18】()
A.ConsequentlyB.HoweverC.BecauseD.Although
单项选择题【B19】()
A.inclusivelyB.exclusivelyC.conclusivelyD.intensively
单项选择题【B20】()
A.tendB.tryC.wantD.need