【单选题】To decide whether you can successfully transplant a tree yourself, you should ______.
A.
select your location carefully
B.
measure the ball of earth around the tree roots
C.
measure the diameter of the tree trunk
D.
cut off as many taproots as you can reach
【简答题】________ you decide to take up, you should try to make it a success. A) If only B) Unless C) Whatever D) Whenever
【单选题】有关析构函数的说法不正确的是( )。
D.
析构函数的作用是在对象被撤消时收回先前分配的内存空间
【简答题】________ you decide to take up you should try to make it a success. A) Whatever B) Unless C) Whenever D) If only
【单选题】在设计年径流的分析计算中,把短系列资料展延成长系列资料的目的是( )。
【单选题】______ you decide to take up, you should try to make it a success.
【单选题】下列说法正确的是( )
D.
在同圆中,同弧所对的圆周角等于它所对的圆心角度教的一半