【单选题】- Did your brother go to America last year?- ______________.
A.
No, he has never been there
C.
No, he never was there
D.
No, he has never gone there
【单选题】—_______ a long way to the castle. —Yeah, _______ a long way to go yet before we arrive.
【单选题】—The mountain in our hometown isn't very _____. —Iagree with you.Few _____ like to go sightseeing there. [ ]
【单选题】运筹学是一门
D.
定量与定性相结合的学科,其中求解数学模型属于定性分析,建立数学模型属于定量分析
【单选题】运筹学是一门
D.
定性与定量相结合的学科。其中分析与应用属于定性分析,建模与求解属于定量分析。
【单选题】尿液pH值对弱酸性药物排泄的影响是
D.
pH降低,解离度增大,重吸收增多,排泄减慢