A. implant embryo into a host animals B. salute the Chinese efforts in saving pandas C. save endangered animals from extinction D. introduce a new species 参考答案:C 答案解析:细节题 参见第二段最后一句...and it's very much like what we're attempting here at Texas A & M—to save animals fr
第23题: [单项选择]In that country, guests tend to feel they are not highly ______ if the invitation to a dinner party is extended only three or four days before the party date. A. admired B. regarded C. expected D. worshipped 参考答案:B 答案解析:[考点] 考查动词词义辨析。 admire意为“钦佩;赞美”;regard意为“尊敬,尊重”;expect意为“期盼”;worship意为“(对神的)崇拜”。根据句意可知B为正确答案。
第25题: [单项选择]一患者右大腿、小腿和踝部收缩压与上肢收缩压相比明显降低。但整个下肢血压相差不大,此时应进行的检查是() A. 整个下肢动脉的多普勒血流显像 B. 髂动脉的多普勒血流显像 C. 运动测试 D. 颈动脉的多普勒血流显像 E. 腘动脉多普勒血流显像 参考答案:B 答案解析:大腿、小腿和踝部收缩压与上肢收缩压相比明显降低,但整个下肢血压相差不大,说明下肢动脉病变部位在股动脉以上的血管处,即右髂血管部位,可以是髂外动脉的栓塞或同侧髂总动脉的栓塞。髂总动脉分为髂外和髂内动脉,