下列哪项不是构成蛋白质的氨基酸[ ]
A．
B．
C．
D．
答案：D
Reporters are _______ to get all facts straight and present their stories fairly.
A．believed
B．supposed
C．thought
D．considered
必须优先抢救的创伤有：__________、__________、__________、__________、__________等。
