单项选择题

The purpose of Emily Rosa% experiment was ______.

A．to see why TT could work the way it did
B．to find out how TT cured patients' illness
C．to test whether she could sense the human energy field
D．to test whether a human energy field really existed

<上一题目录下一题>

热门试题

单项选择题

During the 1860s canned food products were ______.

A．unavailable in rural areas.
B．shipped in refrigerator cars.
C．available in limited quantities.
D．a staple part of the American diet.

单项选择题

It can be inferred that railroad refrigerator cars came into use ______.

A．before 1860
B．before 1890
C．after 1900
D．after 1920