How should we understand the social benefits of a sustainable transportation system?
A. It should be efficient.
B. It should be safe.
C. It should be friendly.
D. It should be constructive.
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【C15】
A. hand
B. head
C. hands
D. driver
【C12】
A. send
B. sending
C. to send
D. sent
Smoking is not______in such public places as the theater, the library and the museum.
A. let
B. permitted
C. promised
D. agreed
男性,6岁,左足跟部被铁钉扎伤4h,患者2年前曾注射过百日咳、白喉、破伤风疫苗,为预防破伤风,此次应()
A. 注射破伤风类毒素0.5 ml
B. 注射破伤风类毒素l ml
C. 注射破伤风免疫球蛋白
D. 注射破伤风抗毒素
E. 注射青霉素