Chinawill be the largest market for automobiles in 20 to 25 years if the country’s economy _____to grow at the current rate.
A. continues
B. has continued
C. continued
D. has been continued
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男性，52岁。近2个月来大便次数增多，有肛门坠胀感及里急后重，大便变细。常有黏液血便，经抗生素治疗症状可缓解，但不久又复发，且呈进行性加重。首选的检查是
A. 直肠指诊
B. 钡灌肠检查
C. 腹部CT
D. 直肠镜检
E. B超检查
This is one of the largest bridges that ___ on this river.
A. is ever buil
B. has ever been built
C. was ever built
D. has ever built
GDP来源中的消费包括私人消费和公共消费，其中，公共消费就是政府消费。（）
A. 对
B. 错
女性，54岁，近1个月来排便次数增加，有里急后重感，偶有便血，此时应考虑何种检查为首选
A. 乙状结肠镜检查
B. X线钡剂灌肠
C. 直肠指诊
D. 肛门镜检查
E. 大便常规检查
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