明代内阁和清代军机处的共同之处是 [ ]
A、统领六部,处理各种政务
B、参与决策,并负责朝廷日常事务
C、参与机要政务,但没有决策权
D、负责各地的军政事务
答案:C
—I came to your office yesterday morning, but nobody was in.
—Oh, we _____ a meeting in the meeting room. [ ]
A. have had
B. had
C. were having
D. have
夏季来临,某马场病马初期主要表现为一后肢或两后肢提举不充分,后躯无力,后肢强拘。中晚期症状为精神沉郁,有的患马意识障碍,出现痴呆样,磨牙、凝视、易惊、采食异常,弓腰、腰部僵硬,突然高度跛行
下列哪种方法有助于预防马脑脊髓丝虫病()
A.采取灭鼠措施
B.粪便无害化处理
C.采取灭螺措施
D.注意饲养卫生
E.采取灭蚊措施