信托公司产品的投资形式包括但不限于（）等形式。 A.股权投资 B.收益权投资 C.公

From the dates        on the gold coin, we know that it was made 500 years ago. [ ]

A. marking

B. marked

C. to mark

D. to be marked

When the teacher came into the classroom, the students ____ in groups.

A．work

B．have worked

C．were working

D．are working

对全髋关节结核患者的处理不正确的是（）

A.全身抗结核治疗

B.术后皮牵引3周

C.早期行病灶清除术

D.术后髋人字石膏固定1个月

E.条件允许，可行全髋关节置换术

婴儿病毒性脑膜炎的表现，哪项不正确()

A．发作性尖声哭叫

B．意识多不受累

C．较少有惊厥发作

D．无颈项强直

E．无局限性神经系统体征

真寒假热、真热假寒的实质是（）

A.阴阳偏盛

B.阴阳偏衰

C.阴阳互损

D.阴阳亡失

E.阴阳格拒