章某，颌下腺炎长期反复发作，保守治疗无效，颌下能触及硬块，导管及腺体交界处证明有结石

CD4分子主要表达于________细胞上，该分子既是_______的受体，同时，作为配体又能与______分子结合。

阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答题卡标号为31-40的相应位置上。

In Greece, women had little freedom．Wealthy women hardly left   16  houses, but they   17 （allow） to attend weddings and some festivals．Greek women’s job was to run the houses and raise children．They also supervised（监督） slaves   18  did all the cooking, cleaning and planting of the crops．Male slaves guarded the women   19  the men were away．Girls learned only the basics of reading and maths at home．They were taught   20  to run a house．Women lived in   21  special section of the house．

The Greeks had breakfast at sunrise．They had a small lunch and a late afternoon snack．The main meal was had at the end of the day．

The soil was poor   22  the coast．With irrigation, the Greeks were able to raise some crops．The soil was richer in the plains than   23  in other places．In the plain regions, the Greeks were able to raise wheat and barley（大麦）．The Greeks made a large variety of bread,  24 （include） milk bread, wheaten bread, farmhouse bread, brown bread, and square bread．  25  wheat could only be raised in the plain, there was not enough food to feed all the people in Greece．

某病人因外伤致使脊髓腰1节段右侧半横断，损伤平面以下会出现

A．右侧痛温觉丧失
B．右侧粗触觉丧失
C．左侧本体感觉丧失
D．右侧本体感觉丧失
E．左侧肢体随意运动丧失

滁菊的性状鉴别特征是（）

A.蝶形或扁球形，常数个相连，舌状花彼此黏结，通常无腺点

B.倒圆锥形或圆筒形，多离散舌状花折缩，散生金黄色腺点

C.呈不规则球形或扁球形，舌状花不规则扭曲，内卷，有时可见淡褐色腺点

D.呈扁球形或不规则球形，舌状花上部反折，通常无腺点，管状花外露

E.头状花序外面被鳞状苞片，外表面呈紫红色或淡红色，内表面有白色绵毛状物

实验室常用的电炉是靠一根（）通电发热。