He cut ______his smoking.A. inB. upC. backD. down
He cut ______his smoking.
A. in
B. up
C. back
D. down
相关考题:
Make( )copies of important files, and store them on separate locations to protect your information.A.back B.back-up C.back-out D.background
You are signing on a deck officer,who will be designated as one of the GMDSS operators,before sailing foreign.Which statement is TRUE ________.A.He/she must have an STCW certificate endorsed as“Valid for Service on Vessels Operating in the GMDSS System”B.He/she must present either an FCC-issued license or a Coast Guard-issued licenseC.You must consult the“List of Qualifications”on the reverse of his/her FCC-issued licenseD.His/her Merchant Mariners Document must have an added endorsement as “Radio Electronics Officer”
Make( )copies of important files, and store them on separate locations to protect your information.A.backB.back-upC.back-outD.backgrounD.
The working parent is not willing to listen to her (his) four-year-old child talking about hissandbox games because she (he) is___________.A.boringB.very tiredC.busyD.angry
6、对于下述命令,如何利用pipe符号进行改写: by_cut <- group_by(diamonds, cut) count_cuts <- mutate(by_cut, N = n())A.count_cuts <- diamonds %>% group_by(cut) %>% mutate(N = n())B.count_cuts <- diamonds %>% mutate(N = n()) %>% group_by(cut)C.count_cuts <- diamonds %<% group_by(cut) %<% mutate(N = n())D.count_cuts <- diamonds %<% mutate(N = n()) %<% group_by(cut)
选择下列计算结果 cut2[x_]:=If[x<-1,-1,If[x<1,x,1]] {cut2[-1],cut2[0],cut2[2]} 或 cut2/@{-1,0,2}A.{-1,0,2}B.{-1,1,2}C.{-1,0,1}D.{-1,1,1}
选择下列计算结果 cut1[x_]:=If[x>11,-1,1] {cut1[-1],cut1[12],cut1[abc]}A.{1,-1,If[abc>11,-1,1]}B.{1,-1,1}C.{-1,1,If[abc>11,-1,1]}D.{1,-1-1]}