党和国家机关工作人员在国内交往中，不得接受（）的礼品馈赠。
A.可能影响公正执行公务
B.影响公正执行公务
C.在特定范围内影响公正执行公务
参考答案：A
选择表达正确的句子。
( ) 1. A. She is putting her pencils in her pencil case.
B. She is put her pencils in her pencil case.
( ) 2. A. He reading a book.
B. He is reading a book.
( ) 3. A. Where is Mr. Wood?
B. Where are Mr. Wood?
( ) 4. A. He is in library.
B. He is in the library.
当线岔处两支均为工作支时，在两接触线相距500mm处正线线岔的侧线接触线比正线接触线高的安全值为（）。
A、0～30mm
B、10～30mm
C、0～20mm
D、10～20mm
