搜题请搜索小程序“爱下问搜题”
问题
判断题
反再系统用膨胀节无反吹风。
答案
参考答案：错
补全对话，情景问答
给下列问句选择正确答语。
( ) 1. What are you doing?
( ) 2. How old are you?
( ) 3. How tall is Jenny?
( ) 4. Did you have a good trip?
( ) 5. Does Danny know his address?
A. I'm twelve.
B. Yes, thanks.
C. Yes, he does.
D. She is l.4 metres tall.
E. I'm reading a book.
查看答案
选择题
地壳中含量最多的元素所形成的单质（ ）
A．常温下为固态
B．在空气中含量也最多
C．可用来灭火
D．能使带火星的木条复燃
查看答案
