大直径跑绳采用大接方法,外观虽好,但有不少实质上的断股,且浪费钢绳,应于拚弃。
参考答案:对
Jack was in low spirits those days and his friends did all they could _____ him up.
A.cheer
B.cheering
C.cheered
D.to cheer
针对卡介苗的特殊禁忌证是()。
A.严重湿疹
B.腹泻
C.消瘦
D.低热
E.惊厥