班会课以班级活动为主要载体,以()等为主要形式,是师生间、生生间,以及学校、家庭、社会间多方参与互动的教育过程。
A.主题会议
B.户外活动
C.师生对话
D.拓展训练
参考答案:A
The advantage of geostationary satellites is().
A.the range of antenna can cover everywhere in the world
B.we can know the ship’s exact position
C.that the distress alert can be located as soon as possible
D.antenna of permanent earth stations may be directed towards fixed points in the sky