Ewart征
参考答案：
Ewart征是指在大量心包积液时可在左肩胛骨下出现浊音及左肺受压所引起的支气管呼吸音，称为心包积液征，即Ewart征。
They ______ about 1,000 English words by the end of last term. [ ]
A. will learn
B. had learned
C. are going to learn
D. have learned
人格发展的关键期是（）
A.0～1岁
B.1～3岁
C.3～7岁
D.7～11岁
E.11～14岁
