同一遥感卫星离地面越近时，获取图象的分辨率也就越高．则当图象的分辨率越高时，卫星

适用普通程序审理的民事案件，原则上应在立案之日起( )内审结。

A．3个月

B．6个月

C．12个月

D．18个月

His mother knew he              his time all the time, but she couldn't do anything.[ ]

A. is wasting

B. has wasted

C. was wasting

D. wastes

结节性甲状腺肿不会继发以下哪种情况（）

A.甲状腺功能减低

B.恶变

C.甲状腺功能亢进

D.声音嘶哑

E.呼吸困难

The engineers are so busy that they have zero time for outdoor sports activities, ________ they have the

interest.[ ]

A. wherever  

B. whenever

C. even if  

D. as if

等渗性缺水多发生在（）

A.胃肠液急性丧失

B.慢性肠梗阻

C.大量出汗

D.吞咽困难

E.低位小肠瘘