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问题 单项选择题

上肢锥体束征是指

A．Babinski(巴彬斯基)征

B．Oppenheim(奥本海姆)征

C．Gordon(戈登)征

D．Hoffmann(霍夫曼)征

E．Chaddock(查多克)征

答案

参考答案：D

单项选择题

In the following essay, each blank has four choices. Choose the most suitable one from the four choices and write down in the answer sheet. There are two types of key technology: private key and public key. Private - key encryption methods are called (66) ciphers, information is encrypted with (67) both the sender and receiver hold privately. Public - key encryption methods are called (68) ciphers, (69) created for each user, encryption key and decryption key ale (70) .

A．synchronous

B．Asynchronous

C．symmetric

D．asymmetric
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读图填空题

下图表示人在吸气、呼气时胸廓上径、膈、肺的变化，依图回答下列问题：

（1）A表示         状态，此时膈肌         ，肺容积变小，肺内压增大。 B表示         状态。此时膈肌            ，肺容积变大，肺内压减小。（供选填答案：吸气、呼气、收缩、舒张）

（2）呼吸系统的主要器官是        ，它能与血液之间进行        ，因此人体呼出的气体中含有较多的二氧化碳。
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