HLA-I类分子存在于A．所有白细胞表面 B．B细胞、巨嗜细胞和活化T细胞表面 C．

休克诊断DIC的标准包括（）。

A.血小板计数<80×10⁹/L

B.凝血酶原时间比对照组延长3秒以上

C.血浆纤维蛋白原低于1.5g/L

D.3P试验阳性

E.血涂片中破碎红细胞>2%

睫状后短动脉可供给视网膜的（）

A.神经节细胞层

B.内核层

C.外核层

D.内界膜

E.神经纤维层

根据括号中所给的汉语写出单词，使句子意思完整正确

小题1:Ann, I’ve left my dictionary at home. May I use        (你的)?

小题2:Sam hardly has any good friends because he always        (拒绝) to help other people.

小题3:China Dream is a dream to improve people’s happiness and a dream of harmony,

      (和平) and development.

小题4:People say that some heavy-polluting factories are now        (关闭) because of PM2.5 in the air.

小题5:Watching English movies has become one of the        (活动) we enjoy most in our English classes.

B) 根据句子意思，用括号中所给单词的适当形式填空

小题6:It’s reported that Chinese couples can have their        (two) child if one of them is an only child from this year.

小题7:      (hope), all the places of interest in Nanjing will be open to local people for free in the near future. 

小题8:Peter does well at school and is always polite to others. His parents feel        

(pride) of him.

小题9:Look! The young guide is collecting all the        (visit) ID cards to buy them high-speed rail tickets.

小题10:That performance was a great success and the audience couldn’t stop          

(clap) their hands for a long time.

类风湿关节炎的发生机制属于（）

A.Ⅰ型超敏反应

B.Ⅱ型超敏反应

C.Ⅲ型超敏反应

D.Ⅳ型超敏反应

E.过敏性疾病

装有倒车舵的船舶，如欲使船向右横移，应使左舷螺旋桨（），右舷螺旋桨（），并将倒车舵操纵手柄推向左舷满舵，此时，用主舵来控制船首向，使其不发生偏转。

A.正转/正转

B.正转/反转

C.反转/反转

D.反转/正转