1 . 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

2 . It is the recent study ______ laid its stress on the impacts of climate change on marine ecosystems ______ shed light on the prompt need for conservation efforts in these vulnerable habitats.

A．that…where

B．which…that

C．where... that

D．as…where

3 . The way ________ the teacher worked out the maths problem is different from the one ________ students found.

A．in which; /

B．which; that

C．that; in which

D．/; in which

4 . Dominating the list are high-income countries, ________ the average ecological footprint is now five times that of poor nations.

A．of which

B．what

C．in which

D．whose

5 . I will briefly explain to you the way ________ we use to simplify the communication process within the team.

A．that

B．in which

C．through which

D．by which

6 . It was in 2014 ________ a team at the University of Kent showed ________ Christmas turkeys kept more of their original dinosaur DNA than any other birds, but the reasons remain unclear.

A．when; that

B．that; that

C．when; why

D．that; why

7 . The beach near the sea is a place ________ I have been familiar since childhood.

A．in which

B．on which

C．with which

D．to which

8 . John showed me the photo and said, “This is the very gallery _______ we visited last month, not the factory _______ father worked last year.”

A．which; that

B．that; that

C．that; where

D．which; where

9 . From helping in the search for outer-space homes ______ humankind could relocate if necessary, to ______ in mapping climate change, AI might be our best bet at survival.

A．where…assisting	B．which…assisting
C．where…assist	D．which…assist

10 . We must and we will find another democratic, lawful and constitutional means ______ the Scottish people can express their will.

A．with which

B．within which

C．in which

D．by which