Bob ______ playing football, doesn't he

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问题选择题

Bob ______ playing football, doesn't he ?[ ]

A. is

B. just

C. loving

D. enjoys

答案

答案：D

选择题

more and more forests destroyed, some animals are facing the danger of dying out.

A. As B By C. For D. With

单项选择题配伍题

类风湿关节炎的X线片显示（）

A.生长期中的骺板因变性而发生骨骺早期融合，骨端增粗，骨干变短，关节面凹凸不平

B.关节周围软组织阴影肿大，骨组织有不规则的破坏区，同时有骨膜反应及骨质增生，关节间隙变窄、变形

C.区域性骨质疏松，软骨下骨缺损和关节间隙变窄

D.关节周围软组织阴影肿大，骨质疏松，骨皮质密度减低，关节间隙逐渐变窄，最后消失而变为骨性强直

E.关节边缘骨赘形成，关节间隙变窄，软骨下骨有硬化和囊腔形成