Theodore Roosevelt was a _________________ politician.
A. strong or vigorous
B. strong with vigorous
C. strong and vigorous
D. strong but vigorous
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Young people are very ___________ about their appearance.
A. sense
B. sensitive
C. sensitivity
D. sensitively
The patient suffered _________ brain trauma.
A. serious
B. seriously
C. severe
D. severely
He was recovering from __________ bout of flu.
A. severe
B. some severe
C. many severe
D. a severe
不查物理常数,试推测下列化合物沸点从高到低顺序正确的是()。①正庚烷 ②正癸烷 ③2-甲基戊烷 ④正已烷
A. ①②④③
B. ②①④③
C. ②①③④
D. ④③①②