【单选题】It is customary to leave a house ________.
A.
through the kitchen window
【简答题】机床中最常见的降压起动方法有星形-三角形转接启动、( )启动和自耦变压器降压启动三种。
【简答题】设函数f(2 x )的定义域为[1,2],求f(log 2 x)的定义域 ______.
【单选题】Henry Ford changed the American society ______.
A.
through great social revolution
B.
through automotive technological revolution
C.
through numerous mechanical inventions
D.
through radical political reforms
【单选题】(求定义域2-2)设函数f(x)= ,则该函数定义域是: 。
【简答题】ways to make more money in investment, through a capital gain or through dividend
【简答题】常见的降压启动方法有四种分别是:()、()、()、()。
【简答题】设函数f(2 x )的定义域为(-∞,1],求f(log 2 x)的定义域______.
【简答题】常见的降压启动方法有四种分别是:定子( )、( )、( )、( )。