患者冯某,夏月露宿野外,次日晨起面肌抽动,口眼斜,舌淡红,苔薄白。治宜选用()。
A.玉真散
B.大秦艽汤
C.牵正散
D.小活络丹
E.消风散
参考答案:C
____ after a long walk, Henry called me and said he couldn’t come to the meeting.
A.Having worn out
B.Being worn out
C.To wear out
D.Worn out
在基因表达过程中,原核生物所特有,而真核生物没有的物质是
A.σ因子
B.冈崎片段
C.起始密码子AUG
D.tRNA的稀有碱基