问题补充:
With the development of science and technology,there is no doubtChinese
astronauts will land on the moon in the near future.
A. whether
B. that
C. what
D. which
答案:
A. whether
(答案→)B. that
C. what
D. which
解析:考查doubt的用法。doubt用于肯定句时用whether引导同位语从句;用于否定句时,用that引导。例如:There is no doubt that...“......是毫无疑问的。”;There is some doubt whether he will come.。本题是否定句,故用that,选B.