JavaScript能编写服务器端脚本,而且必须放在标记之间,嵌入到HTML页面中。
参考答案:错
—Be careful! You might fall into the water.
—Thank you. I ______ I _______ so close to the pool.
A.didn’t know; am standing
B.don’t know; am standing
C.didn’t know; was standing
D.didn’t know; would stand
直流发电机——直流发电机自动调速系统中,发电机的剩磁电压约是额定电压的()%。
A、2~5
B、5
C、10
D、15