题目内容

CO2在血液中运输的主要形式是

A. 物理溶解
B. H2CO3
C. HCO3-
D. HHbNHCOOH
E. HbCO2

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The boundaries of regions X and Y are parallelograms.
Column A Column B
The area of X if its sides have lengths 6 and 10 The area of Y if its sides have lengths 5 and 12

A. if the quantity in Column A is greater
B. if the quantity in Column B is greater
C. if the two quantity are equal
D. if the relationship cannot be determined from the information given

According to the passage, when will the final test of the course be given?

A. The 11th week.
B. The 10th week.
C. The 9th week.
D. The 18th week.

A.The cost is low.B.She wants to study English.C.She wants to see kangaroos.D.She want

A. The cost is low.
B. She wants to study English.
C. She wants to see kangaroos.
D. She wants to enjoy the beautiful natural scenery there.

A.She is having a heart attack,B.She was hurt in an accident.C.She is having a baby.D.

A. She is having a heart attack,
B. She was hurt in an accident.
C. She is having a baby.
D. She is suffering from a stroke,

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