单项选择题
A. promote B. strengthen C. assert D. assess
Although she was still ill, she () herself from the hos...
单项选择题Although she was still ill, she () herself from the hospital.
A. extracted B. discharged C. injected D. drained
The invisible rays of the()beyond the violet end are ca...
单项选择题The invisible rays of the()beyond the violet end are called the ultraviolet rays.
A. speculation B. spectrum C. sleet D. range
