Bill Gates made much great __a________ in computer.
第1题:
Most of the environmental problems are man-made.()
第2题:
A. dropped to
B. dropped over
C. dropped out
D. dropped in
第3题:
You define the following regular expression of currency values:regex tx = new regex("^-?\d+(\.\d{2})?$")You are required to write code that will be used to find whether a string in the variable named Bill matches the regular expression or not. You are also required to use this code as the expression in a conditional statement and need to know which code segment to use.What should you do?()
A.The tx.Matches(Bill)
B.The tx.Equals(Bill)
C.The tx.Match(Bill)
D.The tx.IsMatch(Bill)
第4题:
A、many/ many
B、many/ a lot o{
C、a lot of/ many
D、much/ much
第5题:
I ()supper when I()someone knocking at the door.
A、made . . . Heard
B、made . . .was heard
C、was making . . . was hearing
D、was making . . . heard
第6题: