针灸临床十分注重针刺的得气与否。以下哪一项有关得气的概念不正确（） A.得气亦称针感

The play had already been on for quite some time when we _____ at the New Theatre. [ ]

A. have arrived

B. arrived

C. had arrived

D. arrive

In low-speed network，it is usually adequate to wait for congestion to occur and then react to it bytelling the source of packets to slow down．In high-speed networks，this approach often works poorly，because in the (71) between sending the notification and notification arriving at the source，thousands of additional (72) may arrive．In ATM network，a major tool for preventing (73) is (74) control．When a host wants a new virtual (75) ，it must describe the traffic to be offeredand the service expected．

（74）处填（）。

A．flow

B．admission

C．traffic

D．time

关于三羧酸循环的描述中错误的是

A．是生成NADPH的主要环节

B．发生2次脱羧、4次脱氢和1次底物水平磷酸化

C．是三大营养素彻底氧化的最终通路

D．是糖、脂肪、氨基酸代谢联系的枢纽

E．循环中柠檬酸合酶、异柠檬酸脱氢酶和α-酮戊二酸脱氢酶复合体催化的反应是不可逆的

在投影法中规定，空间点用（）表示。

A.大写字母

B.小写字母

C.小写字母右上角加一撇

D.同名小写字母右上角加两撇表示

《淮南子·本经》记载：“昔者仓颉作书，而天雨粟，鬼夜哭。”对上述材料的解读，正确的是（）

①引文中的“书”为甲骨文

②材料反映了仓颉造字的传说

③材料属于神话传说，毫不可信

④引文一定程度上反映出文字发明的影响

A.①③

B.②④

C.③④

D.①④