The more you work, the ____ you’ll get.
A. better
B. good
C. best
D. worst
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I’m going to try ____ a little every night from now until the exam.
A. to study
B. studying
C. to studying
D. studies
Don’t be angry with Chloe! She broke the vase ____!
A. in accident
B. by accident
C. on accident
D. with accident
下列说法中正确的是 。
A. 串联谐振时阻抗最小
B. 并联谐振时阻抗最小
C. 电路谐振时阻抗最小
D. 以上都不正确
在正弦稳态电路中,只要感抗等于容抗,就可以说电路达到了谐振
A. 对
B. 错