A 3条渐近线和1个第一类间断点 B 3条渐近线和2个第一类间断点 C 2条渐近线和2个第一类间断点 D 2条渐近线和1个第一类间断点

A 若f(x)在区间(a，b)的某个原函数是常数，则f(x)在区间(a，b)恒为零 B 若f(x)在区间(a，b)的某个原函数为零，则f(x)所有原函数是常数 C 若f(x)在区间(a，b)不是连续函数，则f(x)必无原函数为连续函数 D 若F(x)是f(x)的任意一个原函数，则F(x)必为连续函数

A 1 B 2 C 3 D 4

A ①和②都不正确． B ①正确，但②不正确． C ①不正确，但②正确． D ①和②都正确．

A <img src="https://www.beizhujiaoyu.com/uploads/202208/165173113691831.png" width="88" height="30" title="" align="" alt="" /> B <img src="https://www.beizhujiaoyu.com/uploads/202208/165173114226371.png" width="105" height="30" title="" align="" alt="" /> C <img src="https://www.beizhujiaoyu.com/uploads/202208/165173114675651.png" width="81" height="30" title="" align="" alt="" /> D <img src="https://www.beizhujiaoyu.com/uploads/202208/165173115071981.png" width="80" height="30" title="" align="" alt="" />

A 1 B 2 C 3 D 0

A <img src="https://www.beizhujiaoyu.com/uploads/202208/165201325078431.png" width="185" height="19" /> B <img src="https://www.beizhujiaoyu.com/uploads/202208/165201325580901.png" width="147" height="19" /> C <img src="https://www.beizhujiaoyu.com/uploads/202208/165201326253791.png" width="185" height="18" /> D <img src="https://www.beizhujiaoyu.com/uploads/202208/165201329552791.png" width="145" height="19" />

A 0 B 1 C 2 D 3

A <img src="https://www.beizhujiaoyu.com/uploads/202208/165172677413951.png" width="51" height="30" title="" align="" alt="" /> B <img src="https://www.beizhujiaoyu.com/uploads/202208/165172677854161.png" width="77" height="30" title="" align="" alt="" /> C <img src="https://www.beizhujiaoyu.com/uploads/202208/165172678363201.png" width="65" height="30" title="" align="" alt="" /> D <img src="https://www.beizhujiaoyu.com/uploads/202208/165172678742601.png" width="51" height="30" title="" align="" alt="" />