在进行催化剂密相装填时，如料面不平，可每装一定的量即下人把料面整平而无须对喷咀进行调整。
参考答案：错
If you write something and send it immediately by email, which you ___later regret, there is no chance for second thoughts．
A．would
B．should
C．have to
D．might
危重哮喘的临床表现，下列哪项不正确（）
A.呈现腹式呼吸
B.双肺哮鸣音响亮
C.血压下降
D.无奇脉
E.意识模糊
