I live _______my family _______a flat _______a busy street.A．in; in; onB．in; with; onC．with; in; onD．with; with; on
同学们从山上采集到一种石灰石(主要成分为碳酸钙),他们取80 g该样品进行煅烧实验(所含杂质在煅烧过程中不发生变化),测得反应后固体的质量与反应时
She must fail the exam, ________can be seen from her eyes. A. that B. as C. who
函数f(x)=x2+2ax+a2-3在区间(-∞,3)上是减函数,则a的取值范围是…( ) A.(-∞,-3) B.［-3,+∞) C.(-∞,3) D.［3,+∞)
阅读下面这首宋诗，回答问题 东岗晚步 李弥逊① 饭饱东岗晚杖藜，石梁横渡绿秧畦。深行径险从牛后，小立台高出鸟栖。 问舍谁人村远近，唤船别
We have a Computer lesson _______ every Friday.A．inB．atC．on D．/
目前，上海面临最主要的人口问题是( ) A.卫星城镇人口比重大 B.人口基数大，自然增长率高 C.人口年龄构成轻，生育高峰压力大 D.人口老龄化，青
—Did James do his homework yesterday? —Yes.And he wrote as ________ as his sister. A．careful B．carefully C．more careful D．more carefully
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