皮皮学，免费搜题
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【单选题】
细菌性痢疾患者可出现A.
脓血便
B.
米泔样便
C.
白陶土样便
D.
黑便
E.
鲜血便
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【多选题】通过流沙地段,处理地下水的问题,是解决隧道流沙、流泥施工难题中的首要关键技术。施工时,因地制宜,采用()的治理方法。
A.
防，防是指建立地表沟槽导排系统及仰坡地表局部防渗处理，防止降副和地表水下渗。
B.
截，截是指在正洞之外水源一侧，采用深井降水，将储藏丰富构造裂隙水，通过深井抽水排走，减少正洞的静水和动水压力，对地下水起到拦截作用。
C.
排，排是指有条件的隧道在正洞水源下避一侧开挖一条洞底低于正洞仰拱的泄水洞，用以降排正洞的地下水，或采用水平超前钻孔真空负压抽水的办法，排除正洞的地下水。
D.
堵，堵是指采用注浆方法充填裂隙，形成止水维幕，减少或堵塞渗水通道 。
【简答题】纱线按结构可分为______、______和______。
【单选题】Which statement is NOT true according to the passage?
A.
Large modern cities are not good to live in.
B.
Living in large modern cities has so many disadvantages.
C.
All the simple, good things of life are imposed on the people who inhabit large cities.
D.
Many things that are going on in nature are not connected with large cities.
【简答题】三极管按结构分为 型和 型。
【简答题】听短文，根据短文内容，完成表格。 How to listen carefully in class Sit near the 1 of the classroom. Clear your mind. Look at your 2 . It's easier for you to follow him/her. If you can't 3 something, ask a question. Do...
【单选题】—Can I smoke here? —I think _____ is not good to smoke in public. [ ]
A.
it
B.
this
C.
that
【单选题】What is the job that farmers do NOT do in winter?
A.
Feed the animals.
B.
Milk the cows.
C.
Clear the fields.
【简答题】三极管按结构不同,可分为()和()。
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