问题补充:
Actions walking and drinking are quite difficult in the moon.
A. for example
B. such as
C. including
D. liking
答案:
A. for example
B. such as
C. including
D. liking
解析::词义辨析。A例如...(通常只列出一个例子);B诸如此例(列出多个例子);C包括;D像...一样。句意:诸如步行和喝东西这样的动作在月球上是相当困难的。故B正确。