小明同学7点整上学,时针和分针的夹角是______度.
∵7点整时针和分针夹角是5份,每份30°,故5×30°=150°.
∴小明同学7点整上学,时针和分针的夹角是150度.
下列属于单项工程的有()。
A.建筑工程
B.设备安装工程
C.电气设备工程
D.室外工程
E.卫生及采暖工程
用所给单词的正确形式填空,每空一词。
1. My grandfather wants to live in a _____ (peace) countryside.
2. Male _____ (wolf) will protect their families if there is danger.
3. The little pet's _____ (die) makes me very sad.
4. We should take the _____ (follow) actions to help the wild animals.
5. _____ (sad), we lost the match in the end