【单选题】In 1977 the number of existing homes sold was approximately how many times the number of new homes sold?
【简答题】Define a table of the names of months of the year and the number of days in each month. Do this twice: once using an array of char for the names and an array for the number of days and once using an a...
【单选题】The number of students in our school is() .
【单选题】By the year 2000, the number of births and the number of deaths in China will____.
B.
be equal to each other