He ____________ bring gifts to us.[ ]
A. is
B. are
C. did
D. do
答案:C
在HTML中嵌入JavaScript,使用的标记是:()
A、<script></script>
B、<head></head>
C、<body></body>
D、<javaScript/javaScript>
选择炉容比时应考虑哪些因素?