两税法实行的背景不包括（ ） A．均田制崩溃 B．封建经济的发展 C．国家财政收入减少 D．土地兼并不再受到限制
I had ________ supper at my friend’s last Sunday and ________ food was so delicious. A. a ; the B.不填；不填 C.不填.; the D. the; 不填
_____________ ，病树前头万木春。（刘禹锡《酬乐天扬州初逢席上见赠》）
An immediate interest cut might contribute to economy _____, any recovery is likely to be very slow． A．Even though B．Even so C．If so D．If ever
I don’t like the way ________ you speak to her． A． / B． in that C． which D． of which
A、B、C三种物质各15g，当它们相互反应完成时，生成30g新物质D。若再增加10gC，它们又继续反应到完成时，A与C恰好消耗完毕。则参加反应的A与B的质量
下列是人体中几种体液的正常pH，酸性最强的是 A．胆汁(6.8~7.4) B．唾液(6.6~7.1) C．血液(7.35~7.45)
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