问题
单项选择题
The designing of a satellite in the heavenly environment is ______ an easy job.
A．by all means
B．by any means
C．by every means
D．by no means
答案
参考答案：D
解析： A项by all means表示“一定”，B项by any means表示“无论如何”，C项by every means用得较少，意为“竭尽全力”，相当于by all means，D项by no means“决不”。