近代主要有两种不同的警政管理体制：地方自治制和中央集权制。( )
参考答案：对
Scientists generally agree that earth’s climate will warm up over the next 50 to 100 years______ it has warmed in the 20,000 years since Ice Age.
A. so long as. B. as much as C as long as. D as well as
下列有关饮水的说法正确的是（）
A.中枢性尿崩症患者，禁水不能提高尿渗透压、加压素试验可提高尿渗透压
B.原发性肾性尿崩症患者，禁水、加压素试验均不能提高尿渗透压
C.原发性肾性尿崩症患者，禁水试验较加压素试验更能使其尿渗透压增高
D.精神性多饮患者，加压素试验较禁水试验更能使其尿渗透压增高
E.精神性多饮患者禁水、加压素试验均不能提高尿渗透压
