82: Travelling between time zones may result in ________ disturbances in normal sleep patterns and body rhythms. A: dangerous B: important C: obvious D: impressive ...

77: They very name of Siberia _______ images of exile and bitter hardship. A: gave up B: appeared C: reminded D: conjured up ...

72: ________ is of no concern to me. A: He comes or not B: If he comes or not C: Whether he comes or not D: he will come ...

67: It is known to all ______ metals are mostly used in the form of alloys. A: for B: what C: that D: because ...

62: Some students are completely struck down by the ________ of the examination. A: pressure B: stress C: tension D: influence ...

57: The noise is _________ until Mary could not stand it any longer. A: keeping up B: building up C: turning up D: setting up ...

47: They will be here in 10 minutes. In the ________, we will have some coffee. A: meantime B: meanwhile C: same time D: future ...

42: Her display of bad temper completely _______ the party. A: harmed B: damaged C: hurt D: spoilt ...

37: You will fail in the examination ______ you study harder. A: unless B: when C: if D: as soon as ...

32: People buy insurance in order to ________ a small certain loss for a large uncertain one. A: replace B: displace C: substitute D: subscribe ...