单项选择题
A.coordination B.insight C.phase D.alternative
Economic benefits must be weighed（）the possible dangers...
单项选择题Economic benefits must be weighed（）the possible dangers of handling radioactive waste.
A.by B.with C.against D.out
She declined to travel at the（）of her company and paid ...
单项选择题She declined to travel at the（）of her company and paid for the trip herself.
A.charge B.admission C.expense D.tip
She is（）treatment at the hospitalA.undergoingB.standing...
单项选择题She is（）treatment at the hospital
A.undergoing B.standing C.bearing D.suffering
