关于热值的说法，正确的是（ ） A．没有燃烧的燃料，热值等于零 B．燃料完全燃烧

病历摘要：患者男性，56岁，阵发性左腰痛3天，伴发热、尿量减少。既往有“双肾结石”病史。体检：T38℃，P90次/分，R22次/分，BP130/60mmHg。左肾区叩击痛阳性。颜面、四肢均无浮肿。24小时尿300ml。

一步哪些处理是错误的？提示：经输尿管导管引流和对症处理5天后，患者体温降至37．2℃，血常规、电解质恢复正常，血Cr降至140mmol/L。24小时尿量1600ml。KUB提示左输尿管下段有以0．8cm×0．6cm大小致密影，右肾区有三个黄豆大致密影。（）

A.左输尿管下段体外冲击波碎石术

B.左输尿管下段切开取石术

C.左侧输尿管镜检查＋钬激光或弹道碎石

D.拔除输尿管导管

E.右肾体外冲击波碎石术

       2006年7月12日，中国飞人刘翔在瑞士洛桑田径超级大奖赛男子110米栏的比赛中再创世界纪录后，身披鲜艳的五星红旗绕场奔跑，这一刻感动了无数中国人！五星红旗代表中华人民共和国，这一决定是在下列哪次会议上通过的 [ ]

A．第一届中国人民政治协商会议

B．开国大典

C．中央人民政府委员会

D．中 * * 党第七次全国代表大会

短文填空。

     Last week I visited Plattsburgh State University (PSU). People had told me that it was a good college, but

it was even 1._____ than I had expected.

     Located in the small city of Plattsburgh, PSU is 2.______ nice-looking school. Inside, the buildings have

signs to point you in the right direction if you don't know 3.______ you are going.

     The average class has 24 students. One thing I found interesting was that 4.______ you are a good note-

taker, the professor will pay you to photocopy (复印) your notes for the rest of the class.

     PSU offers a lot of majors, including art, history, science 5.______ nursing. All of these programs are

especially designed 6.______ students to meet their future work needs. The school also has many academic

programs, including an honors program.

     PSU has many clubs, ranging 7.______ dance clubs to sports clubs. This school has a great reputation

and offers a lot to 8.______ students. I think that PSU is certainly a college to consider.

混凝土抗冻性以强度损失不超过（）%。

A、5

B、10

C、20

D、25

一克蛋白质在体内生理氧化可产生（）千焦耳的热量。

A、12.6

B、16.2

C、16.7

D、17.6