阅读理解

单选题 Scientists ignored Lake Vida because they thought that a lake of ice__________.

A
B
C
D
E
F

【正确答案】 B

【答案解析】

单选题 Scientists expect that the life，if found in deeper water below the ice sheet__________.

A
B
C
D
E
F

【正确答案】 C

【答案解析】

单选题 What the scientists will do in 2004__________.

A
B
C
D
E
F

【正确答案】 E

【答案解析】

单选题 The salt concentration in the liquid water of Lake Vida__________.

A
B
C
D
E
F

【正确答案】 A

【答案解析】