【单选题】The conditional operator ( ?: ) ________.
A.
is the only ternary operator in C
C.
associates from left to right
【单选题】The following description of operator priority is correct
A.
relational operator < arithmetic operator < assignment operator < logic operator
B.
logic operator < relational operator < arithmetic operator < assignment operator
C.
assignment operator < logic operator < relational operator < arithmetic operator
D.
arithmetic operator < relational operator < assignment operator < logic operator
【单选题】The people of El Hierro ( ).
A.
need to buy all of their oil
B.
need to buy 30% of their oil
C.
don't need to buy any oil
【简答题】操纵基因(operator,operator gene,O)
【单选题】在某类的公共部分有声明string operator++();和string operator++(int);则说明
A.
string operator++();是前置自增运算符声明
B.
string operator++();是后置自增运算符声明
C.
string operator++(int); 是前置自增运算符声明
【单选题】The operator of electrical motors should keep a constant check on the loads they carry because _____.
A.
low loads necessitate frequent insulation cleaning
B.
exceeding nameplate values shortens useful life
C.
energy is wasted if full loading is not utilized
D.
power factor correction methods are load dependent
【单选题】The OR ( || ) operator _________.
A.
has higher precedence than the AND ( && ) operator
B.
stops evaluation upon finding one condition to be true
C.
associates from right to left