单项选择题
A.耳后及颈部淋巴结肿大B.发热C.咽峡炎D.猩红色皮疹E.疹后脱屑
A.How long it has been used.B.What color it is.C.Whether it has been in a collision.D.Whether it leaks oil.
A.was both a scientist and an engineer.B.invented Skylab.C.made contributions to science and engineering.D.was a captain in the French Navy.