心脑血管疾病的主要危险因素不包括
A．饮酒
B．糖尿病
C．吸烟
D．维生素
E．食盐过量
参考答案：D
A powerful earthquake, _____ a magnitude of 6.3, struck the Indonesian island of Sumatra today, and at least 70 people.
A．measured; killing
B．to measure; killed
C．measuring; killed
D．measuring; having killed
人体的外耳由_________、_________组成，主要有__________的作用；中耳由_________、________、____________组成，主要有________的作用；内耳由_________、________、_________组成。
