下述哪项描述是正确的
A.诊断应为先天性淋巴水肿B.诊断应为早发性淋巴水肿C.诊断应为迟发性淋巴水肿D.诊断应为继发性淋巴水肿E.病因诊断还不明确
参考答案:E
— I am really worried about the test tomorrow.
— ________. You'll definitely pass it. [ ]
A. Don't mind
B. You should learn to be careful
C. Take it easy
D. Keep calm
X线的最短波长取决于()
A.毫安
B.时间
C.千伏
D.毫安秒
E.靶物质