【单选题】管道供应公司发现,它的销售额变化的时间总是在房屋开工指数变化大约4个月之后发生。于是,房屋开工指数就成为管道供应公司预测其市场需求的一个非常有用的( )
【单选题】Sam always has a lot of energy. ___, Nick always seems tired.
【单选题】Sam is ___late for school.He is always the first to come to school.
【单选题】根据广西现行消耗量定额的规定,平整场地工程量按设计图示尺寸以( )计算。 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
B.
建筑物首层外围建筑尺寸每边各加2m prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
【单选题】Sam is a very good man. He always tries __________ best to help others.
【单选题】Sam _____ walks to school. He always goes to school by bike.
【单选题】Sam doesn't like staying in one place, he always like to go _______. [ ]
【单选题】—Sam speaks English like a native.I always admire him.—Now he is learning more difficult language—
A.
—Sam speaks____ English like a native.I always admire him. —Now he is learning____ more difficult language—Arabic. A.an;a