为了防止意外,应对突发情况,许多家庭都备有由多个蓄电池做电源的手提应急灯。如图所示,关于应急灯的放电电压,最有可能的数值是
Not until he went through real hardship ________ the love we have for our families is important.
—Do you hear Jim and Mary broke up?—No,I haven't heard of it,and neither ________ about it.
The teacher together with the students ________ discussing Reading Skills that ________ newly published in America.
So much progress ________ made in studies that he is sure to pass the coming examination.
The computer was used in teaching.As a result,not only ________,but students became more interested in the lessons.