【简答题】在所有PHP变量中,布尔型是最简单的变量。布尔变量保存一个___________________和___________________值。
【单选题】Concerned with the rising temperature of the earth, Tony Juniper suggests that ______.
A.
there is no way to prevent the serious consequences
B.
it has to be stopped with the help of politicians
C.
measures should be carried out immediately to stop it
D.
the serious consequences cannot be predicted
【单选题】The ancient Egyptians compared the rising of the sun __ the beginning of life.
【判断题】描述一群变量值的集中位置,可选用几何均数、中位数、算术均数等平均数。
【单选题】With the approach of the Spring Festival, the sharply rising prices of many goods a new wave of purchase.
【单选题】With the rising of China as a world power, the U.S. can no longer _________ the world.
【判断题】描述一群变量值的集中位置,可选用众数、几何均数、中位数、算术均数等平均数。
【判断题】描述一群变量值的集中位置,可选用几何均数、中位数、算术均数等平均数指标。
【单选题】With the rising of China as a world power, the U.S. can no longer _________ the world.
【单选题】With the rising of _________, the temprature is falling rapidly.