【单选题】一个非零的复数z乘以-i,则相当于 ( ).
【单选题】If a gues doesn't realize that he/she is at the wrong hotel until he/she is checked in, the receptionist should______________.
A.
lose interest in hime at once and let him go immediately.
B.
help him get to the hotel of his choice.
C.
offer him a room assuring him that the price is the same as that hotel.
D.
push him to stay in the wrong hotel.
【简答题】When
people think of tigers, they think strong and erous. But now, the big
animal is calling for our help.
There were once eight kinds of 1 in
the world, but three died out during the 20th century...
【简答题】All forms of tobacco—cigarettes, pipes, cigars , and smokeless tobacco — are erous.It doesn't help to substitute products that seem they're better for you than regular cigarettes, such as filtered...
【简答题】C. Rewrite the following sentences with the help of the phrases and expressions in the box. The italicized part in each sentence may be of help in your task. 1. The job requires me to spend a lot of t...