皮皮学，免费搜题
登录
搜题
【单选题】
血浆C02-CP的正常范围是A.
20～30vol%(8.8～13.2mmol/L)
B.
40～50vol%(17.6～22mmol/L)
C.
50～70vol%(22～31mmol/L)
D.
60～70vol%(26.4～31mmol/L)
E.
70～80vol%(31～35mmol/L)
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】下列哪种说法不正确？（ ）
【简答题】关于砌体的抗压强度，下列哪种说法不正确?（ ）
【单选题】Prices of daily goods ___________ online can be lower than store prices.
A.
bought
B.
been bought
C.
are bought
【单选题】一质点沿半径为 R=0.1m 的圆周运动,其角位移θ可用下式表示: θ =2+4t 2 (SI) .当 切向加速度大小恰为总加速度 大小的一半时, ,其角位移 θ =
A.
π/6
B.
π/3
C.
2.87 rad
D.
3.73 rad
【单选题】Generally speaking, prices of daily goods ______ through the Internet are lower than store prices．
A.
to buy
B.
are bought
C.
buying
D.
bought
【单选题】一质点沿半径为 R=0.1m 的圆周运动,其角位移θ可用下式表示: θ =2+4t 2 2 (SI) .当 切向加速度大小恰为总加速度 大小的一半时, ,其角位移 θ =
A.
π/6
B.
π/3
C.
2.87 rad
D.
3.73 rad
【简答题】Rising prices are per______ as a threat to living standards, so that the faster prices are increasing, the more likely are workers to join a union in order to maintain their standards of living.
相关题目：