( )既指阻碍个体达到目标的情境,又指行为受阻时个体产生的心理紧张状态。
A.动机受阻
B.焦虑
C.需要
D.挫折
参考答案:D
叶粉末中可检出直轴式气孔、腺鳞、圆锥形非腺毛及较多的含钟乳体细胞。该药材是()
A.广藿香
B.穿心莲
C.薄荷
D.仙鹤草
E.泽兰
One of the things we have to do to prevent a pandemic is to make sure people understand and know what they can do to minimize the commotion.
A.command
B.collusion
C.turmoil
D.tutelage