1 . Located ________ the Belt meets the Road, Jiangsu will contribute more to the Belt and Road construction.

A．why	B．when
C．which	D．where

2 . ________ birds use their feathers for flight, some of their feathers are for other purposes.

A．Once

B．If

C．Although

D．Because

3 . Anvitha Vijay, who is only nine years old, has built two educational apps. One is Smartkins Animals, which helps many    1    (child) identify more than 100 animals and     2    other Rainbow Colors, which teaches kids colors.

With the help of YouTube videos, the young girl from Melbourne, Australia, learned to code (编程)at age 7 all by    3    (she). Soon, she was trying her hand at making apps. “When I first got my iPad, I     4     (attract)immediately by all the apps on it,” she told TFK. “It wasn’t long     5    I wanted to create my own.”

Anvitha’s skills won her scholarship to attend a big tech conference hosted by Apple in San Francisco, California. There, she got tips from the professionals and went to workshops     6    she learned about the latest software for app building. all that training led to an idea for a third app. This one,    7    (call) GoalsHi, inspires kids to practice good habits.

Anvitha’s goal is to continue crating technology that helps kids learn while    8    (have)fun. But what’s even more     9    (importance) to her is that the world sees the power of technology in kids’ hands. “The more training we get in tech at an early age,” she says, “the    10    (good)chance we will have of becoming innovation champions who will one day change the world.”

4 . ______the damage is done, it will take many years for the farmland to recover.

A．Until

B．Unless

C．Once

D．Although

5 . Lessons can be learned to face the future, ________ history cannot be changed.

A．though

B．as

C．since

D．unless