1 . By the end of his writing career, Isaac Newton was ________ with producing more than 500 books on a wide range of subjects, reaching out not only to galaxies but also the distant past.

A．flooded

B．credited

C．impressed

D．engaged

2 . Equipped with better systems than the Liaoning and Shandong, not only ________ to launch heavier aircraft, but it can also increase their takeoff speed.

A．does the Fujian aircraft carrier allow

B．the Fujian aircraft carrier allows

C．is the Fujian aircraft carrier allowed

D．the Fujian aircraft carrier is allowed

3 . ________ employment and income are tied to eliminating unhappiness, the element that makes work satisfactory and meaningful is the service to others.

A．While

B．If

C．Until

D．Unless

4 . The name of the humble bread varies greatly ________ different areas of Britain, with some names ________ in German.

A．across…originating	B．throughout…originated
C．across…originated	D．with…originate

5 . A study of the carbon footprint of large AI models shows that training a single AI model could result in carbon emission five times ________ the average American car in its lifetime.

A．what

B．/

C．that of

D．as much

6 . The field of robotics ________ far less keen to investigate plants due to a misconception ________ plants are capable of neither motion nor perception.

A．has proved…that	B．has been proved…which
C．has been proved…that	D．has proved…which

7 . The competition challenged young people ________ a new word of their own ________ they thought was missing from the English language.

A．coming up with…/	B．to come up with…which
C．coming up with…that	D．to come up with…/

8 . ________ the authentic flavor, the team of the series hired four experts to check on detail on-site, from rituals to costumes to dialogue.

A．Ensuring

B．To ensure

C．Ensured

D．Having ensured

9 . Domestic horses require regular maintenance to prevent overgrowth of keratin(角蛋白), which, if ________, can cripple them.

A．leaves it unattended	B．leaving unattended
C．left unattended	D．is left unattended

10 . Some studies suggest that children in mildly unhappy, low-conflict, first-marriage families are better off if the parents ________ till the kids are grown.

A．try it on

B．hang it up

C．take it off

D．tough it out