单项选择题
A.removed B.cured C.worsened D.relieved
Manyscientists have been (probing) psychologicalproblem...
单项选择题Manyscientists have been (probing) psychologicalproblems().
A.solving B.exploring C.settling D.handling
He isdetermined to (consolidate) his power().A.strength...
单项选择题He isdetermined to (consolidate) his power().
A.strengthen B.control C.abandon D.exercise
John is (collaborating) with Mary in writing an article...
单项选择题John is (collaborating) with Mary in writing an article().
A.cooperating B.competing C.combining D.arguing