【单选题】蛋鸡群产蛋量大幅下降,鸡冠发绀,口流黏液,排黄绿色稀粪。取病料接种鸡胚,收获的尿囊液有血凝活性,该病最可能的病原是(2016 真题上169)
【单选题】If only I had got up a little earlier this morning! I the bus by only a minute and waited half an hour for another.
【简答题】If only I (know) ______ the answer, I would have told you.
【简答题】.____I admire David as a poet, I do not like him as a man. A Much as B.Only if C.If only D.as much
【单选题】I will not go to her birthday party ___________ I am invited.
【单选题】下列关于定点数与浮点数的叙述中错误的是( )
D.
相同长度的浮点数和定点数,前者可以表示数的范围要大于后者
【单选题】下列关于定点数与浮点数的叙述错误的是()
C.
整数在计算机中用定点数表示,不能用浮点数表示
【单选题】_____ I admire George as an artist, I do not like him as a man.