问题:
As a university president, I feel that there is a serious danger in higher education today. We administrators are failing to meet our responsibili...
问题:
The next big breakthrough in artificial intelligence could come from giving machines not just more logical capacity, but emotional capacity as well.Fe...
问题:
How much sleep does a person need? 31 the physiological bases of the need for sleep remain conjectural, 32 conclusive answers to this question impossi...
问题:
A、had left, arrivedB、left, had arrivedC、had left, had arrivedD、left, arrived
问题:
A、has leftB、is to leaveC、leavesD、is to be left
问题:
A、will have been doneB、is doneC、had been doneD、would have done
问题:
A、has rainedB、was rainedC、had been rainingD、should have rained
问题:
A、comeB、are comingC、have comeD、came
问题:
A、waitsB、waitedC、has been waitingD、has waited
问题:
A、talkB、speakC、lectureD、tell
问题:
A、involvedB、concentratedC、devotedD、concerned
问题:
A、riseB、ariseC、happenD、raise
问题:
A、interfereB、introduceC、interruptD、prevent
问题:
A、composeB、preserveC、includeD、analyze
问题:
A、masterB、seizeC、graspD、imagine