中国亚利进出口公司欲与英国吉力公司签定苹果出口合同，数量为2万吨，总价款为 1000

The _____ boy was last seen _____ near the East Lake. [ ]

A. missing; playing

B. missing; play

C. missed; played

D. missed; to play

I like playing the  ___小题1:___. I  am Chinese so I  can speak __小题2:___very well and I can speak English too. I  am very __小题3:___and I help my mum to clean our home.I want to be the cleaning ___小题4:___ at school because I want to make our classroom___小题5:____.

急性广泛前壁心肌梗死患者，间歇心房颤动病史3年，出院前超声心动检查发现左心室附壁血栓，血栓附着部位向外扩张，呈矛盾运动

最可能的原因是（）

A.心房颤动

B.室壁瘤形成

C.心力衰竭

D.卧床有关

E.抗凝治疗不足

关于自重湿陷性黄土的性能，下列哪条叙述正确？

A．在土自重应力下浸湿湿陷
B．在土自重应力下浸湿不湿陷
C．在土自重应力下不浸湿不湿陷
D．在土自重应力下不浸湿陷落

测量牙周袋的深度，正确距离是

A．龈缘(龈沿)～釉牙骨质界

B．釉牙骨质界～袋底

C．龈缘～袋底

D．牙颈部～袋底

E．牙颈部～龈缘