However, when ______teams to complete tasks at school, we are often hardly aware of this. A. forming B. to form C. formed D. be forming
在我国北方的温室大棚内把种植和养殖结合在一起，实现优势互补，收到了很好的经济效益和生态效益．以下有关这种生态模式的说法不正确的是（ ）
The old building which ______ the 5th century is going to be rebuilt. A. dating from B. dates from C. dated from D. dating back to
当|x-2|＜a时不等式|x2-4|＜1成立，则正数a的取值范围是（ ）A.a＞-2 B.0＜a≤-2 C.a≥-2 D.以上均不正确
在C(s)＋CO2(g)2CO(g)反应中可使反应速率增大的措施是（ ） ①缩小容器的体积②增加碳的量 ③通入CO2 ④恒压下充入N2 ⑤恒容下充入N2
“橘生淮南则为橘，橘生淮北则为枳，叶徒相似，其实味不同”反映出农业生产的地域性,地域差异产生的最主要原因是（ ） A．淮北、淮南地形不
动词考查；选择恰当的动词填空 I know you are from China. Can you________ English? A. speaks B. speaking C. speak D. to speak
—Is there ____________ in today’s newspaper？ —Yes, the top news is about BRICS. A.something new B. anything important
