【单选题】American Indian ______ about five percent of the U.S. population.
【单选题】He listened hard but still couldn't______ what they were talking about.
【多选题】下列各项中属于增值税征税范围的有( )。
【简答题】How many people in the U.S. make use of sales promotion offers each year?
【单选题】_____ you are, _____mistakes yo u will make in the test
A.
The more careful; the fewer
B.
The more carefully; the fewer
C.
The more careful; the less
D.
The more carefully; the less
【单选题】According to the passage, the U.S. elementary education is supposed to make children__________.
A.
sensible and sensitive
B.
competitive and interested
D.
happy and co-operative
【判断题】西汉时期已利用虹吸管---渴乌,东汉时已广泛用于灌溉,唐朝已有隔山取水的大型引水工程。
【单选题】He expects to _______ the business when his father retires.