He pretended to be English, but his foreign accent ________.

A．threw him away

B．put him away

C．gave him away

D．carried him away

我国的科学教育与国外相比存在着一定的差距，我们应该改进和加强（）。

A.知识教育

B.理论教育

C.心理教育

D.技术教育