【简答题】示波器中的扫描发生器实际上是一个()振荡器(A)正弦波 (B)多谐 (C)电容三点式 (D)电感三点式A.B.C.D. D
【单选题】关于妊娠合并急性病毒性肝炎的叙述中,错误的是( )
【简答题】A.Give her the correct time. B.Use her notes. C.Time the speech. D.Continue revising.
【简答题】Please give the opposite adverb of correct ( )
【简答题】Give the correct answers.
【单选题】The writer think teachers should NOT ______.
A.
give children correct answers
B.
allow children to make mistakes
C.
point out children's mistakes to them
D.
let children mark their own work
【单选题】关于妊娠合并急性病毒性肝炎的叙述中,错误的是
【单选题】If the information give in this passage is correct.when we look at a star at night________
A.
it is four years that the light we can see will reach us
B.
it will be brighter than the moon
C.
we cannot tell whether or not it still exists
D.
we will notice hat it is‘not moving
【单选题】After all,he is only a child.______ him ______ what he has done and give him a chance to correct his mistake.