1 . One mistake will probably lead to another one. This is called a chain ______.

A．creature

B．solution

C．reaction

D．advance

2 . ________ a person’s good qualities, we value honesty and generosity most.

A．In honour of

B．In terms of

C．In case of

D．In favour of

3 . ________ earlier online survey showed that ________ majority of Chinese believe Yuan Longping deserves a Nobel Peace Prize for his contribution to fighting against world hunger.

A．The; the

B．The; a

C．An; /

D．An; the

4 . For ________ variety of reasons, we have to replace the old network system ________ a new one.

A．the; for

B．the; with

C．a; for

D．a; with

5 . Rugosa rose, a source of perfume, is a species of roses ________ to eastern Asia.

A．close

B．ancestor

C．home

D．native

6 . The underlined word can be replaced by ________.
The New York Times used the word “groundbreaking” to praise the new online teaching platform and wrote that “it represents a rarely seen era”.

A．primitive

B．abstract

C．innovative

D．accessible

7 . Impossible ________ it is for us to live in an environment free of pandemic, we had better try our best to avoid ________.

A．however; affected	B．though; to be affected
C．although; being affected	D．as; being affected

8 . Judging from her ________, she liked the birthday present.

A．reaction

B．personality

C．impact

D．authority

9 . After a day’s travel, we ________ staying in a super little hotel by the sea at last.

A．made up

B．wound up

C．turned up

D．picked up

10 . In computing, if you ______ a file to a message that you send to someone, you send it with the message.

A．tie

B．relate

C．connect

D．attach