单项选择题

Examining bottles of wine is hard work because ______.

A．the bottles must be held upside down
B．it is difficult to see the particles of dirt
C．it requires high level of automatic
D．most bottles are all right

<上一题目录下一题>

热门试题

单项选择题

What are the unusual traits or situations referred to in the first sentence

A．Patterns of animal and plant growth.
B．Food and food preparation patterns of the upland Tibetans.
C．Social and familial organization of typical Tibetan society.
D．All of the above.

单项选择题

When a typist gets tired, ______.

A．she has to try hard to raise her automatic
B．she can type only automatically
C．she cannot think about what she is doing
D．she can seldom type automatically