(单选题)39: A:time to get up. don’t you hear the alarm clock is_____? B:Yeah, yeah. I’m dressing myself. A: going?off B: going?on C: going?out D: going?up ...

(单选题)33: Mary（ ）my　letter,　otherwise　she　would　have　replied　before　now. A: should　have　received B: has　received C: couldn't　have　received D: ought　to　have　received ...

(单选题)27: Sometimes the student may be asked to write about his ________ to a certain book or article that has some bearing on the subject being studied. A:   comment B:   reaction C:   impression D:   comprehe...

(单选题)21: In　the　United　States,　the　foreign　policy　is　decided　by　the（ ）government,　not　by　each　state. A: federal B: figure C: scientific D: service ...

(单选题)15: Mary____my　letter,　otherwise　she　would　have　replied　before　now. A: should　have　received B: has　received C: Couldn't　have　received D: ought　to　have　received ...

(单选题)9: Pine　trees　are　usually　believed　to（ ）cold　weather. A: guard B: accomplish C: roar D: endure ...

(单选题)3: I　didn't　send　out　my　application　form　last　week,　but　I（ ）. A: had B: would　do C: should　have D: might　have　to ...

(判断题)37: 网络逻辑安全包含信息完整性、保密性和可用性。 A: 错误 B: 正确 ...

(判断题)31: 实体集指具有相同性质的同类实体的集合。 A: 错误 B: 正确 ...

(判断题)25: 网誉认证是由独立的第三方为认证机构。 A: 错误 B: 正确 ...