当x取何值时,代数式7x+5与3x-1的值相等.
依题意,得7x+5=3x-1,
移项,得7x-3x=-1-5,
合并,得4x=-6
化系数为1,
得x=-1.5
It will be one of the nations worst ________by climate change, as two fifths of the country is
below sea level.[ ]
A. affecting
B. to be affected
C. affected
D. is affected
原发性肾小球病的病理分型不包括()。
A.轻微性肾小球病变
B.局灶性节段性病变
C.弥漫性肾小球肾炎
D.隐匿性肾小球肾炎
E.未分类的肾小球肾炎