1. [单选题]柴可夫斯基(peter ilitch)的代表作之一是。（ ）
A. 孟浩然
B. 李白
C. 王维
D. 杜甫
2. [单选题]下列不符合(inconformity)分泌性腹泻特点的是 （ ）
A. 霍乱引起的腹泻
B. 胃泌素瘤引起的腹泻
C. 腹泻量较大
D. 腹痛明显，腹泻后可缓解
E. 大肠杆菌感染引起的腹泻
3. [单选题]“马→马蛔虫→原生动物”这条食物链为( )
A. 捕食链
B. 寄生链
C. 腐屑链
D. 混合链
4. [单选题]This job ______, who are more careful.
A. is done traditionally by women
B. traditionally is done by women
C. is traditionally done by women
D. is done by women traditionally
5. [单选题]You ______ yesterday if you were really serious about the job.
A. ought to come
B. ought come
C. ought have come
D. ought to have come
