He quickly stepped on the brakes, and his car came to a stop just in time ______an accident.
(A) to avoid
(B) to be avoiding
(C) to have avoided
(D) to have been avoided
第1题:
Basedontheconfigurationshownintheexhibit,whatwillhappentothetrafficmatchingthesecuritypolicy?()[editschedulers]user@hostshowschedulernow{mondayall-day;tuesdayexclude;wednesday{start-time07:00:00stop-time18:00:00;}thursday{start-time07:00:00stop-time18:00:00;}}[editsecuritypoliciesfrom-zonePrivateto-zoneExternal]user@hostshowpolicyallowTransit{match{source-addressPrivateHosts;destination-addressExtServers;applicationExtApps;}then{permit{tunnel{ipsec-vpnmyTunnel;}}}scheduler-namenow;}
A.ThetrafficispermittedthroughthemyTunnelIPsectunnelonlyonTuesdays.
B.ThetrafficispermittedthroughthemyTunnelIPsectunneldaily,withtheexceptionofMondays.
C.ThetrafficispermittedthroughthemyTunnelIPsectunnelalldayonMondaysandWednesdays between7:00amand6:00pm,andThursdaysbetween7:00amand6:00pm.
D.ThetrafficispermittedthroughthemyTunnelIPsectunnelalldayonMondaysandWednesdays between6:01pmand6:59am,andThursdaysbetween6:01pmand6:59am
第2题:
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 license
C.You must consult the“List of Qualifications”on the reverse of his/her FCC-issued license
D.His/her Merchant Mariners Document must have an added endorsement as “Radio Electronics Officer”
第3题:
第4题:
Basedontheconfigurationshownintheexhibit,whataretheactionsofthesecuritypolicy?()[editschedulers]user@hostshowschedulernow{mondayall-day;tuesdayexclude;wednesday{start-time07:00:00stop-time18:00:00;}thursday{start-time07:00:00stop-time18:00:00;}}[editsecuritypoliciesfrom-zonePrivateto-zoneExternal]user@hostshowpolicyallowTransit{match{source-addressPrivateHosts;destination-addressExtServers;applicationExtApps;}then{permit{tunnel{ipsec-vpnmyTunnel;}}}scheduler-namenow;
A.ThepolicywillalwayspermittransitpacketsandusetheIPsecVPNmyTunnel.
B.ThepolicywillpermittransitpacketsonlyonMonday,andusetheIPsecVPNMytunnel.
C.ThepolicywillpermittransitpacketsandusetheIPsecVPNmyTunnelalldayMondayandWednesday 7amto6pm,andThursday7amto6pm.
D.Thepolicywillalwayspermittransitpackets,butwillonlyusetheIPsecVPNmyTunnelalldayMonday andWednesday7amto6pm,andThursday7amto6pm.
第5题:
第6题:
接上题,下列代码实现对闹铃音的控制: assign alarm_time=stop_bell?(time_equ && (((Second[0]==1'b1) && clk_500) || ((Second[0]==1'b0) && clk_1k))):1'b0; 这个表述可以改写为()。
A.if (stop_bell==1'b1) begin case(Second[0]) 1'b1:alarm_time=clk_500; 1'b0:alarm_time=clk_1k; default:alarm_time=1'b0; endcase end else alarm_time=1'b0;#B.if (stop_bell) if(!time_equ) begin case(Second[0]) 1'b1:alarm_time=clk_500; 1'b0:alarm_time=clk_1k; default:alarm_time=1'b0; endcase end else alarm_time=1'b0; else alarm_time=1'b0;#C.if (stop_bell==1'b1) if(time_equ) begin case(Second[0]) 1'b1:alarm_time=clk_500; 1'b0:alarm_time