集中采购委员会实行记名投票表决方式。下列哪一项不属于有效表决方式（）。
A.同意
B.不同意
C.复议
D.弃权
参考答案：D
---What would you like ______ this Sunday? How about hiking in he mountains?
---I don’t feel like ______in the mountains. I like ______ something else. [ ]
A.doing; hiking; doing
B. to do; to hike; to do
C. to do; hiking ; to do
D. doing; to hike; to do
麻疹的并发症有（）
A.支气管肺炎
B.心肌炎
C.喉炎
D.脑炎
E.亚急性硬化性全脑炎
