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【多选题】
To make cooperative learning a success, there must be some kind of "glue" that holds the group together. Group members .A.
must feel they need one another and want to help each other learn
B.
must have a personal stake in the success of the group
C.
must have the skills necessary to make the group work effectively must have the skills necessary to make the group work effectively
D.
can regularly analyze the group's strengths and weaknesses to make adjustments as needed
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皮皮学刷刷变学霸
举一反三
【多选题】流行性腮腺炎的腮腺肿大的特点有
A.
以耳垂为中心，弥漫性肿大
B.
以耳垂为中心，向前、后、下发展
C.
腮腺红、肿、热、痛炎症表现
D.
腮腺触之有弹性感及压痛
E.
张口、咀嚼、进食酸性食物时疼痛加剧
【简答题】企业经营活动、投资活动、筹资活动现金流量净额为负数,分别说明什么问题?
【单选题】流行性腮腺炎，腮腺肿大的特点是
A.
通常先一侧肿大，无压痛
B.
以耳垂为中心，边界清楚
C.
局部肿胀、发红、有热感
D.
不伴发热、纳差、乏力
E.
进食酸性食物时腮腺疼痛加剧