His forgetfulness may be a of brain trouble.
A. reason
B. symptom
C. cause
D. motive
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Industrial demand on fuel is .
A. in rise
B. in the rise
C. on rise
D. on the rise
Examinations are not the only means of ________ someone’s ability.
A. assisting
B. praising
C. valuing
D. assessing
There was a large box behind the door and Peter couldn’t _______ falling over it in the darkness.
A. awake
B. resist
C. avoid
D. prevent
智能合约是区块链进入2.0的一大重要技术成果,奠定了区块链作为一个底层技术的技术基础。()
A. 对
B. 错