He _____ a player when he was 18. [ ]
A. turned
B. becomes
C. became
D. get
答案:C
患者伤后一侧瞳孔立即散大,直接光反射消失,间接光反射存在,多见于
A.蝴蝶征B.靶征C.透明隔增厚征D.白质推挤征E.三角征
世界“干极”是指 [ ]
A、撒哈拉沙漠
B、乞拉朋齐
C、阿塔卡马沙漠
D、吐鲁番盆地