[单选题]__________[A] Above all [B] After all [C] However [D] Otherwise
[单选题]__________[A] at first[B] at all[C] at large[D] at times
[单选题][A] in all [B] fewer than [C] at most [D] up to
[单选题][A] any less [B] by itself [C] after all [D] as such
[单选题][A] other [B] simply [C] rather [D] all
[单选题]A.) due toB. ) apt forC.) all butD.) prior to
[单选题]A.) allB.) partlyC.) seldomD.) often
[单选题][A] sound[B] all-round[C] entire[D] whole
[单选题]请在(20)处填上最佳答案。A. by all meansB. at all costsC. in a wordD. as a result
[单选题] All modern (74) are multitasking and can support running several processes simultaneously.A. database B. operating system C. MIS D. DOS