A . A self-contained breathing apparatus
B . A boat hook and a spanner wrench
C . A fire ax and/or cutting torch
D . A Stokes litter basket
[主观题]how do you maintain emergency battery ?
[单选题]Which radio equipment is not necessary for the ships sailing in the sea area A2?A.MF DSCB.VHF radio telephoneC.VHF DSCD.VHF EPIRB
[单选题]You should work for __________ if you become an editor of the magazine.A. just nine hours a dayB. no less than nine hours a day C. about ten hours a dayD. less than 25 hours a week
[问答题]Study the following cartoon carefully and write an essay in which you shoul
[单选题]_____you may have, you should gather your courage to face the challenge.A. However a serious problemB. What a serious problemC. However serious a problemD. What serious a problem
[试题]B.eforeyoumailthisletter,youshouldcheckagainwhetheryouhave_______itornot.A.sunkB.sighedC.soughtD.sealed
[问答题]Practice 1Study the following cartoon carefully and write an essay in which
[单选题]I should have told you! You ______ the entire house. Our cleaning lady phoned she's coming tomorrow.A. didn't need to cleanB. needn't have cleanedC. don't need to cleanD. mustn't have cleaned
[单选题]If you make apromise,you should [fulfill] it.A.keepB.takeC.tryD.win
[单选题]To understand the sentence,you should analyze its parts______.A.functionallyB.widelyC.largelyD.remarkably