皮皮学，免费搜题
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搜题
【单选题】
有效反馈是针对问题的目的和(C)反馈而不是对偏离问题目的和中心的戏说、趣说。A.
结果
B.
难易程度
C.
核心
D.
过程
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】-–Where is your sister? --She _________the library
A.
has been to
B.
is going to
C.
has gone to
【单选题】Your sister has made an ______ for you to see the dentist at 3 this afternoon.
A.
appointment
B.
interview
C.
opportunity
D.
assignment
【单选题】—Has your sister visited Disneyland _____? —Yes, she has visited it ________.
A.
yet, yet
B.
already, already
C.
already, yet
D.
yet, already
【单选题】Has your sister returned____
A.
om school?
B.
s, he ____for more than half an hour.
C.
home; has been back
D.
home; has come back
E.
to home; has come
F.
to home; has been back
【单选题】－Look, your sister is playing the piano over there. －She ______ be my sister. She has gone to America.
A.
mustn’t
B.
can’t
C.
shouldn’t
D.
may not
【简答题】在装配图中,同一零件在各视图上剖面线的( )和( )必须一致。
相关题目：
【单选题】-–Where is your sister? --She _________the library
A.
has been to
B.
is going to
C.
has gone to