【简答题】反馈式正弦波振荡器由放大部分、()、反馈网络三部分组成。
【简答题】反馈式正弦波振荡器由()、选频网络、反馈网络三部分组成。
【简答题】6A级-Effective feedback is well timed so that the employee can (easy) _____ connect the feedback with his actions .
【简答题】We believe the e-learning can be (effective)________than traditional instructions in the future.
【简答题】It's said that the agreement ______ between the two companies last month will become effective from May 1st. A) to sign B) signed C) to be signed D) signing
【单选题】Studying in an English-speaking country is a very effective way to learn English.
【简答题】6A级-Today, as natural resources become scarcer and manufacturing costs rise, recycling is (important) _____ than ever.
【判断题】反馈式正弦振荡器是由放大器、选频网络和正反馈网络三部分组成的。