[单选题]I had somedifficulty in [carrying out] the plan.A.implementingB. changingC.
[单选题]The piston rings if found worn out () and supplied by shipchandler.A . must replaceB . must to be equippedC . has to be repairedD . have to be renewed
[单选题]Worn out ring grooves should be () to standard dimension after being welded.A . machinedB . boredC . honedD . drilled
[问答题]Hardly had I gone out of the building when it began to rain.
[单选题]100BASE-TX makes use of two pairs of twisted pair cable, one pair used for transmission and the other for(69).A.receptionB.detectionC.relationD.connection
[单选题]If business had been carried out to our satisfaction,we()to renew the Agency Agreement.A . hadagreedB . alreadyagreedC . shallagreeD . shouldhaveagreed
[问答题]The doctor had no choice but reach out to their colleaguesacross the nation
[问答题]The doctor had no choice but reach out to their colleagues across thenation
[问答题]The doctor had no choice but reach out to their colleagues across the natio
[单选题]She had to [restrain]herself from crying out in pain.A.disallowB.reduceC.pr