通过交叉路口要先看右方,再看左方,确实没有车辆才可以通过。
参考答案:错
A. had been running B. ran C. would run D. has run
感染性发热在发热病因中占
A.30%~40%
B.40%~50%
C.50%~60%
D.60%~70%
E.70%~80%