问题
选择题
The farmers needed________agricultural technology. Therefore, ________skilled workers were sent there.
A．a great number of, a large amount of
B．large amounts of, the number of
C．a large amount of, a great number of
D．the amount of, a great number of
答案
答案：C
本题的含义是农民需要大量的农业技术，因此，大量的技术工人被送到这儿来。a large amount of修饰不可数名词，而a great number of修饰可数名词的复数，technology是不可数名词，而workers是可数名词复数，故本题选C。