申请加入中 * * 党，具有中国国籍的公民和外国籍公民均可加入。（）

D

Besides entertainment and beautiful lanterns, another important part of the Lantern Festival, or Yuanxiao Festival is eating small dumpling balls made of glutinous rice flour. We call these balls Yuanxiao or Tangyuan. Obviously, they get the name from the festival itself. It is said that the custom of eating Yuanxiao originated during the Eastern Jin Dynasty in the fourth century, then became popular during the Tang and Song periods.

The fillings inside the dumplings or Yuanxiao are either sweet or salty. Sweet fillings are made of sugar, walnuts, sesame (芝麻), osmanthus flowers (桂花), rose petals, sweetened tangerine (橘子) peel, bean paste, or jujube paste(枣子酱). A single ingredient or any combination can be used as the filling. The salty variety is filled with minced meat(肉末儿), vegetables or a mixture.

The way to make Yuanxiao also varies between northern and southern China. The usual method followed in southern provinces is to shape the dough of rice flour into balls, make a hole, insert the filling, then close the hole and smooth out the dumpling by rolling it between your hands. In North China, sweet or nutmeat stuffing is the usual ingredient. The fillings are pressed into hardened cores, dipped lightly in water and rolled in a fiat basket containing dry glutinous rice flour. A layer of the flour sticks to the filling, which is then again dipped in water and rolled a second time in the rice flour. And so it goes, like roiling a snowball, until the dumpling is the desired size.

The custom of eating Yuanxiao dumplings remains. This tradition encourages both old and new stores to promote their Yuanxiao products. They all try their best to improve the taste and quality of the dumplings to attract more customers.

Choose the right order of making Tangyuan in southern provinces.()

① make a hole and insert the filling

② roll the dough between your hands

③ shape the dough of rice flour into balls

④ close the hole

⑤ prepare some rice flour

A. ⑤③②①④

B. ③⑤①②④

C. ③①④②⑤

D. ⑤③①④②

将5.6克不纯的铁与足量稀硫酸反应，生成氢气0.2克。该不纯的铁含有的杂质可能是

A．碳和锌

B．铁锈

C．碳和铝

D．碳

下列各句中，没有语病、句意明确的一项是(   )

A．身体瘦弱的水生的祖父已经七十多了。

B．价值取向，关键在于人生观起决定作用。

C．机遇是位美丽聪颖的姑娘，她只垂青于懂得如何追求她的小伙子。

D．一些重点中学不但开设了多媒体教学实验课，而且有的普通中学也开始了这方面的实验。

男性，54岁。类风湿关节炎（RA）病史5年，近2个月来感到双手指关节痛加重，晨僵约1小时，从未经过正规系统治疗。检查：双手第1、2指滑膜肥厚，右侧第2～4指近指关节肿胀，压痛明显，左侧第2、3指近指关节肿胀伴压痛，双手X线示双腕诸骨间隙消失并融合，双掌指、近指关节间隙明显狭窄。

下列哪项最有利于判断此病人病情活动性（）

A.类风湿因子

B.抗核抗体

C.C反应蛋白

D.C₃

E.免疫球蛋白

当前，我国的统一战线叫做爱国统一战线。