《中华人民共和国自然保护区条例》中所谓的自然保护区不包括（）。
A.核心区
B.控制区
C.缓冲区
D.实验区
参考答案：B
食管癌（）
A.胸痛伴咳嗽或咯血
B.胸痛，含硝酸甘油可缓解
C.胸痛伴吞咽困难
D.胸痛伴呼吸困难
E.胸壁刺痛伴皮疹
While the examination is being carried out, ______ shall be present and responsible for moving the goods, opening and restoring the packing.
A. the consignee of the import goods and the consignor of the export goodsB. Customs officerC. harbour officerD. the owner of the ship
