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【单选题】
若f(x)的导函数是cosx,则f(x)的一个原函数为A.
1+sinx
B.
1-sinx
C.
1+cosx
D.
1-cosx
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反馈参考答案：
举一反三
【简答题】你认为将教育技术运用到自己的教学当中，应该从（）维度入手.
【单选题】下列关于睡眠影响因素的描述，正确的一项是
A.
睡眠时间通常与年龄成正比
B.
过度疲劳有助于入睡
C.
补充激素不能改善绝经期妇女的睡眠质量
D.
安眠药能够加速睡眠，但只能在短时间内增加睡眠量
E.
大量饮酒会使睡眠变深
【单选题】Which tip is not included in our passage?
A.
Make eye contact and be aware of body language.
B.
Stay on topics with which you’re familiar and safe.
C.
Appear confident, but not cocky.
D.
Wear fancy clothes.
【单选题】He asked, with the subservient ______ which comes only of generations of tip-seeking ancestors.
A.
smile
B.
smirk
C.
sneer
D.
jeer
【单选题】Metacognitive strategies help students _________ they learn.
A.
understand the way
B.
motive the way
C.
correct the way
D.
instruct the way
【单选题】Which of the following is NOT a tip for getting a good sleep?
A.
Making your bedroom comfortable.
B.
Making sleep a priority.
C.
Not having your computer in your bedroom.
D.
Having caffeine after lunchtime
【单选题】What is the criterion for distinguishing between “metacognitive” and “task- based” strategies?
A.
Task-relatedness.
B.
Proficiency level.
C.
Subject.
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