A. them B. him C. his D. her

A. better B. little C. less D. best

A. looks B. looked C. looking D. to look

The whole world felt excited on the night of April 10th，2019．For the first time in history，people saw an image（图象）of a black hole．The picture became 【1】at once．But attention soon turned to a computer scientist，Katie Bouman．Without 【2】efforts，the historic image wouldn't have been possible．

Black holes are very far away．It【3】easy to photograph one．It's like taking a photo of an orange that is on the moon．Many scientists had tried．However，none of them【4】．

These failures didn't stop Bouman from trying．Three years ago，the scientist started working on a special computer programme．Over the years，she has improved the 【5】many times．Finally，it turned telescope（望远镜）data into the black hole image．

Bouman has received lots of praise for her work．The young woman，however，is modest（谦虚的）．She says the efforts of her colleagues（同事）were important，too．"None of us could do it 【6】，"she told reporters．

Do you want to make history as Bouman did？Set yourself a goal and work towards it．One day，you will make the impossible possible，too．

A. You’re welcome. B. Have a good trip.

C. That’s OK. D. Thank you.

A. cook B. cooks C. to cook D. cooking

A. of B. with C. about D. in

A. coming B. to come C. to coming D. come

A. afford B. choose C. decide D. give

A．listening to B．listening C．listen to D．listen