有关周围性面瘫说法不正确的是（）。 A.患侧眉毛不能上抬 B.患侧额纹消失，鼻唇沟浅

下列对于滴虫 * * 炎的治疗，正确的是（）

A.全身用药甲硝唑

B.妊娠早期及哺乳期亦可全身使用甲硝唑

C.甲硝唑100mg，每晚塞入 * * 1次，1周为1个疗程

D.若使用1%乳酸冲洗 * * ，会降低甲硝唑的疗效

E.对初患者不可一次给药，会造成滴虫耐药

Dear Ralph,

I’m a newcomer here of a small town. I would                        1. _______

describe myself as shy and quietly. Before my classmates,               2. _______

it seems always difficult for me to do things well as                      3. _______  

them. I'm sure they will laugh to me and see me as                      4. _______

a fool. So I feel unhappy every day.                                     5. _______ 

Besides, I have few friends. I don't know that they                   6. _______

don't like to talk with me. Sometimes, we talked to each other              7. _______ 

very well in class, but after class we become stranger at                  8. _______

once. I am trying to improve the situation since it doesn’t                   9. _______

seem to work. Can you tell me about what I should do?                  10. _______

Yours,

Xiao Wei

大气污染物排放口的考核内容不包括（）。

A.排放高度的考核

B.对有组织排放的面源的考核

C.标准限值的确切含义考核

D.实测浓度值的换算考核

胶状液氢(主要成分是H₂和CH₄)有望用于未来的运载火箭和空间运输系统。实验测得101 kPa时,1 mol H₂完全燃烧生成液态水,放出285.8 kJ的热量;1 mol CH₄完全燃烧生成液态水和CO₂气体,放出890.3 kJ的热量。下列热化学方程式书写正确的是(　 　)

A．2H₂(g)+O₂(g)2H₂O(l)　ΔH="-285.8" kJ/mol

B．CH₄(g)+2O₂(g)CO₂(g)+2H₂O(l)ΔH="-890.3" kJ/mol

C．CH₄(g)+2O₂(g)CO₂(g)+2H₂O(g)ΔH="-890.3" kJ/mol

D．CH₄(g)+2O₂(g)CO₂(g)+2H₂O(l)ΔH="+890.3" kJ/mol