—May I speak to Mr. Smith?
—Sorry, he _______ Australia. But he _______ in two days.
A:has been to; will come back
B:has gone to; will be back
C:has been in; would come back
D:is leaving for; doesn't come back
全面实施乳制品加工工艺标准化监管,彻底消除企业过热加工的乱象是优质乳工程的保证。即使拥有优质原料奶,①____,也不能生产出优质乳制品。我国的乳品加工企业普遍存在过热加工现象,主要是因为企业低价收购低质的原料奶,细菌数量高,②____,可谓“一热遮百丑”。但是③____,比如维生素C的损失率达到30%,使牛奶失去应有的营养价值。
下列说法正确的个数是 ( )①同位角相等; ②过一点有且只有一条直线与已知直线垂直;③过一点有且只有一条直线与已知直线平行;④三条直线两两相交,总有三个交点;⑤若a∥b,b∥c,则a∥c.
阅读下列材料:
材料一: 文艺复兴时期,人们对文学、艺术等方面的巨大成就极为欢欣。他们认为这是一次精神的新生,而不是像花开花落那样,只是周而复始的重复。
材料二: 我在1492年发现印度大陆以及大批岛屿……在此之后,我回到长勒提尔,见王上,而王上依据我的描述,命令我进行第二次航行以求新的发现,并在我所发现的土地上建立殖民地。 ──摘自哥伦布日记
请回答:
用方框中所给单词的适当形式填空,使短文正确、通顺,每次限用一次:
cough right away prevent medicine ill enough
Everyone is talking about Bird Flu. Yes, it is a very ____ disease. It could make people sick. It will be a few months still before we have good____ for Bird Flu. In order to(为了) ____ Bird Flu, we shouldn’t touch sick chickens or their droppings(粪便). So it is a good idea for people to keep ____ from live chickens. But if you do touch an ill bird, remember to wash your hands carefully with soap(肥皂)____ away. Also, don't forget to open your windows often and ____ regularly(正常地). Getting ____ sleep is also very important for fighting ____ . Try to keep away from people who have the ____ , and always cover your mouth and nose when you ____ or sneeze(打喷嚏).