【单选题】TCP/IP的层次结构由上到下依次是【】
【单选题】Suppose【图片】 is a real function. Which of the following statements is NOT true?
A.
If is differentiable on , then is continuous on .
B.
If is continuous on , then exists.
C.
If exists for some , then is continuous at .
D.
If , , then is constant on .
【单选题】设函数 f(x)= 4x+2 x 2 -1 - 3 x-1 (x>1) a-1(x≤1) 在点x=1处连续,则a=( )
【单选题】Suppose that real interest rates in the United States rise relative to real interest rates in Switzerland, there would occur a (an):
A.
Increase in the demand for francs--decrease in the supply of francs-depreciation of the dollar
B.
Increase in the demand for francs--decrease in the supply of francs-appreciation of the dollar
C.
Decrease in the demand for francs--increase in the supply of francs-appreciation of the dollar
D.
Decrease in the demand for francs--decrease in the supply of francs-depreciation of the dollar
【单选题】病人, 女, 34岁。患有甲状腺功能亢进7年, 服用抗甲状腺药物治疗。近日因工作 问题与领导发生矛盾, 情绪激动, 今日晨起心慌、胸闷、不安。体检心率162次/分, 心电图 显示窦性心律不齐。宜选用何药治疗
【简答题】{在网络中,物理层传输的数据单位称为比特,数据链路层传输的数据单位通常称为____,网络层传输的数据单位通常称为____。}
【简答题】Suppose the equation x 2 -2kx+k2-1=0 has two unequal real roots x 1 ,x 2 , which satisfy |xi-1|< 3(i=1,2). Then the range of values for the real number k is _____.
【判断题】海外融资担保即内保外贷,是指境内机构通过银行为其境外注册关联公司向当地银行申请融资提供担保。
【单选题】病人,女,34岁,患有甲状腺功能亢进7年,服用抗甲状腺药物治疗。近日因工作问题与领导发生矛盾,情绪激动,今日早上起心慌、胸闷,不安。体检心率162次/分,心电图显示窦性心率不齐。宜选用何药治疗
【单选题】Suppose that Year 1 is the base year. Year 2 real GDP is