单选题
39.
It is universally known that microscopes make small things appear larger than ______.
A、
really are
B、
are really
C、
are they really
D、
they really are
【正确答案】
D
【答案解析】
“众所周知，显微镜使得小物体看起来比它们实际情况要大得多。”
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