建筑安装工程造价指数一般采用( )的形式来表示。A．环比指数B．综合指数C．定基指

患者，男，55岁。昨天中午参加婚宴后下午开始腹痛，为持续性胀痛，牵涉到后背，伴恶心、呕吐。有胆囊结石病10年。查体：体温37.2℃，血压110/82mmHg，脉率108次/分，呼吸24次/分，巩膜可疑黄染，上腹膨隆，全腹压痛，以左上腹为重，轻度肌紧张，肠鸣音1～2次/分。WBC11×10⁹/L，N0.80，血淀粉酶1500U/L，尿淀粉酶2200U/L，B超显示胆囊多发结石，总胆管宽0.8cm，胰腺增大，边界不清，胰周有积液。

对该患者的可能诊断是

A．上消化道穿孔

B．急性胆囊炎

C．急性胰腺炎

D．急性胆管炎

任务型阅读。

     Li Xiaogu, 13, from Guangxi, has never been interested in the Spring Festival Gala programs except

Liu Qian's magic show. When Liu Qian's performance began, Li stopped everything to enjoy it.

     "Liu Qian made the coins pass through the glass just by patting the glass table. Moreover (而且), he

put his hand through the glass to get the coin," said Li. "It's really amazing."

     Some people unveiled (揭秘) Liu Qian's magic in an online video. Some posted (公布) the secrets

behind the magic show only 10 minutes after Liu Qian performed it on TV.

     "It's wrong! Showing how it's done will ruin (破坏) the beauty of magic," said Li.

Liu Heng, 14, from Jiangsu, agrees with Li. "Everyone knows magic is not real. Unveiling it will ruin the

feeling of 'unreal' and make it meaningless," said Liu Heng. "So we'd better keep the magic of magic

shows."

      Unlike these two, Wang Zi, a 14-year-old Beijinger, doesn't think unveiling the secrets is all that bad. Wang is a magic lover and can do some simple magic shows. He watched four videos that showed the

secrets behind Liu's magic show. "Watching those can help us understand magic better," said Wang.

      Facing the unveiling, Liu Qian said in a recent interview, "Magic is an art to meet people's curiosity (好奇心). So the best attitude (态度) towards magic is enjoying it rather than finding out how it's done."

根据短文内容，完成下列句子，每空词数不限。

1. Li Xiaogu _______ in the Spring Festival Gala programs but Liu Qian's magic show.

2. Some people unveiled Liu Qian's magic 10 minutes after Liu Qian _______ on TV.

3. Liu Heng's opinion is _______ as Li Xiaogu's. They both think it's to unveil magic.

4. Wang Zi ________ with Liu Heng and Li Xiaogu. And he watched _______ videos that showed the

    secrets behind Liu's magic show.

5. Liu Qian said in a recent interview that the best attitude towards magic was it rather than_______how

    it was done.

水果店运来梨80吨，比西瓜的2倍少15吨。运来西瓜多少吨？

小儿出生后，前3个月每月增长的体重约是（）

A.300～400g

B.400～500g

C.500～600g

D.600～700g

E.700～800g

引入负反馈不能（）

A.展宽频带

B.减少非线性失真

C.提高效率

D.改变输入输出电阻