皮皮学，免费搜题
登录
搜题
【简答题】
成人全身共有206块骨组成,其中最大的一块籽骨是 ,颅骨中唯一一块游离的骨是 。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】It was last Sunday she met her old friend in the supermarket.
A.
while
B.
which
C.
that
D.
since
【单选题】It was last Sunday ______ we saw one of my old friends in the park.
A.
which
B.
that
C.
where
D.
who
【单选题】It was__last Sunday morning. It rained__.
A.
snowy, heavy
B.
snowing, heavy
C.
snowy, heavily
【单选题】—So when did you meet Joan? —It was last Sunday _______ she came to visit my sister.
A.
that
B.
since
C.
when
D.
Before
【简答题】测得工作在放大电路中两个晶体管的三个电极电流如下图所示, 1判断它们各是NPN管还是PNP管,在图中标出e,b,c极; 2估算晶体管的 α 和 β 值。
相关题目：