成人高考专升本《高等数学一》深度押密试卷(3)
如果您发现本试卷没有包含本套题的全部小题,请尝试在页面顶部本站内搜索框搜索相关题目,一般都能找到。
- 1
-

- 2
-

- 5
-

- 6
-

- 8
-

- 9
-

- 10
-

- 12
-

- 13
-

- 14
-

- 15
-

- 16
-

- 19
-

- A.条件收敛
- B.绝对收敛
- C.发散
- D.收敛性与k有关
- 21
-

- A.发散
- B.条件收敛
- C.绝对收敛
- D.敛散性不能确定
- 22
-
设函数y=f(x)二阶可导,且f(x)<0,f(x)<0,又△y=f(x+△x)-f(x), dy=f(x)△x,则当△x>0时,有( )
- A.△y>dy>0
- B.△<dy<0
- C.dy>Ay>0
- D.dy<△y<0
- 23
-

- A.(-∞,-3)和(3,+∞)
- B.(-3,3)
- C.(-∞,O)和(0,+∞)
- D.(-3,0)和(0,3)
- 24
-

- A.2xy+y2
- B.x2+2xy
- C.4xy
- D.x2+y2
- 25
-
函数y=x3-3x的单调递减区间为
- A.(-∞,-1]
- B.[-1,1]
- C.[1,+∞)
- D.(-∞,+∞)
- 26
-
若xo为f(x)的极值点,则
- A.f(xo)必定存在,且f(xo)=0
- B.f(xo)必定存在,但f(xo)不一定等于零
- C.f(xo)可能不存在
- D.f(xo)必定不存在
- 27
-
点M(4,-3,5)到Ox轴的距离d=
- A.<img src="//img1.yqda.net/question-name/73/51cd91152d46d7a12297315d66d3ff.jpg" alt="" border="0" />
- B.<img src="//img1.yqda.net/question-name/8d/ba8a8865d382b29ae4a0b2f0b9071f.jpg" alt="" border="0" />
- C.<img src="//img1.yqda.net/question-name/8c/7e7df3c21266cde98370ef4ee4cd19.jpg" alt="" border="0" />
- D.<img src="//img1.yqda.net/question-name/a7/e8677b7ae94cf6e426db0c7c3c04f8.jpg" alt="" border="0" /> &nbs
- 28
-

- A.<img src="//img1.yqda.net/question-name/10/ee70aac144a4de161dca86186d6d2f.jpg" alt="" border="0" />
- B.<img src="//img1.yqda.net/question-name/36/1ef562325f27b424165b6aee497ada.jpg" alt="" border="0" />
- C.<img src="//img1.yqda.net/question-name/69/52813f077b0a0ad928a38786023c6c.jpg" alt="" border="0" />
- D.<img src="//img1.yqda.net/question-name/64/0b8095227960ea32b6dc699eabf886.jpg" alt="" border="0" /> &nbs