布氏杆菌病人主要传播途径()
A.经消化道进入
B.经呼吸道进入
C.经过血液传播
D.以上均是
E.通过体表皮肤、黏膜接触进入人体
参考答案:E
The boss could hardly()his temper when he saw the state of his office.
A. hold onto
B. hold up
C. hold off
D. hold in