依照《药品说明书和标签管理规定》规定，有效期表述形式错误的是（） A.有效期至200

﹣1.6﹣2.7

目前有关认证的技术主要有( )。

A．消息认证、身份认证、数字签名

B．消息认证、身份认证、口令机制

C．身份认证、数字签名

D．身份认证、口令机制

Which of the following most accurately describes the generational effects of fiscal policy（）

A. Fiscal stimulus generates economic activity greater than the amount of the stimulus due to the multiplier effect on future generations.

B. Each generation of fiscal policy decisions has unintended effects that require another generation of fiscal policy actions to correct them.

C. Fiscal imbalances must be corrected in the future by increasing taxes or decreasing government spending, and much of the burden will fall on future generations.

我国许多少数民族有着民族特色婚俗，请回答回族新人的婚礼由谁主持，怎么称呼这个角色？

浇筑式沥青混凝土施工过程中，对混合料拌和后出料温度、运输温度及摊铺温度的要求是（）。

A.220～250℃

B.290～330℃

C.120～180℃

D.160～200℃