超短效巴比妥类全身麻醉药是（） A.硫喷妥钠 B.苯巴比妥 C.戊巴比妥 D.巴比妥

In the last few years thousands of films _____ all over the world. [ ]

A. have produced

B. have been produced

C. are producing

D. are being produced

试述皮质脊髓侧束的传导路径。

—I do a lot of exercise, eat ________ vegetables and ________ meat than I did last year.

—That's why you're getting thinner. [ ]

A. fewer; more

B. more; less

C. less; more

河南省畜牧兽医行政执法过错责任追究办法所称畜牧兽医行政执法责任追究，是指对畜牧兽医行政执法机构和其工作人员实施的（），给予的处理。

A.已构成行政处分的违法

B.尚不够行政处分的违法和不适当行政行为

C.已构成刑事责任的违法

D.已构成民事责任的违法

引种栽培