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【单选题】
反射是指在( )参与下,机体对内、外环境刺激产生的应答性反应。A.
肌肉
B.
内分泌腺
C.
中枢神经系统
D.
眼睛
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皮皮学刷刷变学霸
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【简答题】根据括号内的汉语提示,写单词完成句子。 1. She _____( 寄) a postcard to her mother yesterday. 2. Here is a map of ______( 欧洲). 3. I often swam in the ______( 湖) near my house when I was young. 4. My grandpa lives in the _...
【单选题】Here is a postcard, Jim ! -- Oh,_________ is my friend ,Mary.
A.
he
B.
it
C.
she
D.
his
【单选题】Here is a postcard, Jim ! -- Oh,_________ is my friend ,Mray.
A.
he
B.
it
C.
she
D.
his
【单选题】Here is a postcard for you, Jim! Oh, ______is from my friend, Mary.
A.
its
B.
it
C.
it's
【简答题】-Here is a postcard for you, Jim! -Oh, it is from ______ (my/ his) aunt, Mary.
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