焦粉的作用是把粉状的(),在烧结机上经过抽风烧结成块状的()。
参考答案:混合物;烧结矿
阅读理解。
用所给动词的适当形式填空。
—I ___1___ (go) to the United Stqates on holiday next summer. I've never been there before, so I'm
really looking forward to it.
—That's great! I'm sure you ___2___ (enjoy) it. I ___3___ (go) there last summer and ___4___
(have) a great time.
—What places do you think I should visit?
—Well, you should ___5___ (see) New York, but ___6___ (not/go) in July because it ___7___ (be)
very hot.
—Really? And ___ ___ you ___8___ (stay) in hotels last summer?
—Yes, they ___9___ (be) very comfortable. But you must ___10___ (make) reservations before
you go. The hotels ___11___ (be) often full in summer.
以机关名义发文的重要文稿,由( )审核。
A.机关综合办公室部门的负责人或由其授权的机要秘书B.组织机构的负责人C.授权的秘书人员D.机关领导人亲自