练习说明
Exercise1 判断空格词所填词性
第 1 题
Some _______, found on the Arctic ice cap in 1895, were early evidence of the Arctic fox’s wide-ranging movement.
第 2 题
Passengers wishing to travel by ship had to discuss and agree on a _______ with its captain.
第 3 题
Potato crops produced high yields without need of much _______ .
第 4 题
Potatoes were finally accepted when the monarch began wearing a potato _______ .
第 5 题
In _______, the traditional AGA Guernsey model was no longer acceptable.
第 6 题
In such ways, robots might be used to work in space in commercial enterprises or _______.
第 7 题
The population of the east would also benefit from increased _______ production in general.
第 8 题
The principle is that building materials like _______ and stone do not conduct electricity well, while soil does this much more effectively.
第 9 题
Resistivity is mainly being used to _______ some images generated by magnetometer.
第 10 题
The beauty of mathematics is described as being related not to objects, but to _______.
第 11 题
An attempt to buy a 6-wheeler double-decker bus failed after _______ were unsuccessful.
第 12 题
Her findings suggest that our brain becomes momentarily _______ to outside stimuli for a short while after our attention has been caught.
第 13 题
Competition increased when additional Chinese trading _______ were established.
第 14 题
The crews were motivated by both _______ and their enthusiasm for the competition.
第 15 题
Local people began to _______ graphite for the money involved.
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