What is the main idea of the acquisition-learning hypothesis?
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For Krashen, the affective filter is the principal source of individual difference in second language acquisition.（）
what is the difference between the HSRP and VRRP？
What does the command show | compare rollback 1 display?（）A、the difference between the current candidate configuration and the candidate configuration from one commit agoB、the difference etween the current active configuration and the active configuration from the one commit agoC、the difference between the current active configuration and the active configuration from one commit agoD、the difference between the current candidate configuration and the archived configuration from one commit ago
What is the difference between the transmitted power and the sensitivity of the receiver？ （）A、 OSNRB、 dispersionC、 attenuationD、 power budgetE、 amplifier spacingF、 four wave mixing
What is difference between OSPF neighbor and adjacencies？
What does the command show | compare rollback 1 display?（）A、the difference between the current candidate configuration and the candidate configuration from one commit agoB、the difference between the current active configuration and the current candidate configurationC、the difference between the current active configuration and the active configuration from one commit agoD、the difference between the current candidate configuration and the archived configuration from one commit ago
