引起血尿的主要原因有()()()()()。
参考答案:肾结石、肾肿瘤、肾结核、急性肾炎、出血性疾病
动词填空(写出所给的动词的适当形式)(共5小题;每小题1分,满分5分)
小题1:Seventy-two hours passed . More than one hundred workers remained _____________(trap) in the coal mine, though fifty had been saved.
小题2:_____________________(determine) to get a seat for the concert, he didn’t mind standing in a queue all night.
小题3:The bad weather is reported _____________________(contribute) to the passenger plane crash in Iran on January 9.
小题4:__________________ (experience) many failures, I have the courage to meet all challenges.
小题5: _________________ (examine) twice a year, whether it is a car or a bus or a truck, is the rule that every driver shall obey in this city.
-_______ your mother like watching television?
-No, she likes reading. [ ]
A. Is
B. Are.
C. Do
D. Does.