问题
填空题
计算
|
答案
原式=3
-23
=3
.3
故答案为:
.3
计算
|
原式=3
-23
=3
.3
故答案为:
.3
请根据句子的意思,从下面的方框里选出可以填进句子中的单词,并将其字母标号写在横线上。 | |
2. You should _______ / _______ your bedroom before going out playing. 3. As a student, we shoud _______ / _______ school uniform on weekdays. 4. ______ / ______ there's a car coming. 5. —Why don't you like sweets? —Because they are _______ / ________. |