The best title for this passage is ______. A) History of Pictures C) Origin of Pictures B) Pictures and Alphabet System D) The Ancient Egyptians
A. The best title for this passage is ______.
B. History of Pictures
C. Pictures and Alphabet System
D. Origin of Pictures
E. The Ancient Egyptians
我国城市燃气管道压力为0.1 MPa≤P≤0.2 MPa时,属于( )。
A. 中压A燃气管道
B. 次高压A燃气管道
C. 中压B燃气管道
D. 高压B燃气管道
急性胰腺炎患者6周后上腹部扪及肿块,无发热,应首先考虑()
A. 胰腺癌
B. 胰腺假性囊肿
C. 腹腔脓肿
D. 胰腺脓肿
E. 胰腺囊肿
According to the passage, before she began to study the behavior of chimps, Jane()
A. worked in an office
B. worked in a factory
C. lived in the wild
D. observed and studied animals