【单选题】静脉输液时造成病人急性肺水肿发生的原因是:
【单选题】According to the First Amendment of the Constitution of the United States, American people ______.
A.
swear whenever and wherever they want
B.
have the right to the liberty of speech
C.
have no right to obscenity
D.
can not use swearing words under any circumstance
【判断题】the Bill of Rights is the first amendment of Consititution of the USA
【简答题】(本题满分14分)已知函数 f ( x )满足2 ax · f ( x )=2 f ( x )-1, f (1)=1,设无穷数列{ a n }满足 a n +1 = f ( a n ).(1)求函数 f ( x )的表达式;(2)若 a 1 =3,从第几项起,数列{ a n }中的项满足 a n < a n +1 ;(3)若 < a 1 < ( m 为常数且 m ∈ N +, m ≠1),求最小自...
【单选题】函数 f(x)= e x 在( )时为无穷小.
【单选题】若x→0时函数f(x)为x^2的高阶无穷小量,则 =
【简答题】Time of effectiveness of the amendment for the issuing bank is: (1)( ) the date of acceptance of the amendment by the beneficiary (2)( ) the date of issuance of the amendment by the issuing bank (3)...
【单选题】关于圆曲线半径的应用,下列说法错误的是( )
A.
圆曲线极限最小半径是路线设计中的极限值,一般不轻易采用
D.
一般情况下,应尽量选用大于或等于一般最小半径