问题
单项选择题
有关突触传递特征的描述，错误的是
A．单向传递
B．突触延搁
C．总和
D．不易疲劳
E．后发放
答案
参考答案：D
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有关突触传递特征的描述，错误的是
A．单向传递
B．突触延搁
C．总和
D．不易疲劳
E．后发放
参考答案：D
完成句子。
—No, it's enough. 2. We are lack of water. People suggest some factories should use _____ water. 3. The best way _____ your English is to join English clubs. 4. Some companies use famous stars to make their products well-known by _____. 5. Have you ever heard the _____ song of that famous singer? |