老师们早上好，今天是我们共读的第3天，阅读进度：第二章结束
导读问题：
1.教学目标可以从哪些方面帮助教师备课？
It can help the teacher focus on planning...And help teacher plan effective instructional events.And plan valid valuation procedures.
2.本书中的“教学活动（instructional event）”指的是什么？
An instructional events is any activity or set of activities in which students are engaged with or without the teacher for the purpose of learning.
3.什么样的测验才算“有效测验”？
If the test is valid it will measure what it is supposed to.That is to say, we never teachers want to know how well their students have learned the subject of material. They should measure how well those students have attained the outcomes specified, In the instructional objectives.
4.如何运用教学目标提高教学效果？
If you want to use well defined instructional objectives as a big help to you and your students during the teaching process.
,You could use them As handouts prior to instruction and To prepare students for instruction and as a guide for out instruction.
5.更了更好地投入学习，学生应该在开始学习之前知道哪些信息？
Learning outcome.Learner activities Teacher activity。Assessment activities.
