1 . Most people know what it is like to have their blood pressure taken but few understand ________ the numbers that are used to record blood pressure mean.

A．what

B．how

C．which

D．as

2 . It is ________ the fish can survive out of water for months ________ makes them the coolest.

A．where… that

B．when… that

C．that… that

D．what… that

3 . We also lose heat by transporting the blood to the surface of the skin ________ it can lose heat out into the external environment.

A．when

B．so

C．where

D．unless

4 . What we need, rather, is the recognition ________ bringing up children involves a partnership of parents.

A．that

B．which

C．of

D．when

5 . 尽管养成新习惯耗时费力，但只要你心怀斗志，坚持不懈，终会达成所愿。(Despite)
____________________________________________________________________________________

6 . 要保持健康，最重要的是要有均衡的膳食、良好的睡眠以及要规律地适度运动。(matter)
____________________________________________________________________________________

10 . 在过去两年来, 我们看到了大量的湿地被人类活动破坏。
In the past two years, we________________ large areas of wetlands________ by human activity.