Ada Byron was a teenager when she met Cambridge mathematics professor Charles Babbage，who had invented the Difference Engine，a mechanical computer（1）
B
B
to produce mathematical tables without mistakes．But he never built the actual machine （2）
A
A
financing difficulty．
Babbage was（3）
C
C
impressed with the brilliant young woman that they wrote to each other for years，discussing math and computing as he moved on to the（4）
A
A
of the Analytical Engine．In 1842，Babbage gave a lecture on the engine at the University of Turin．Ada，now in her late 20s and known as Countess of Lovelace，was （5）
D
D
to translate the lecture into English．She （6）
B
B
her own notes to it，which was published in 1843．
Lovelace's notes made it clear that she understood the Analytical Engine and Babbage himself（7）
A
A
．She suggested the data input that would（8）
B
B
the machine to calculate Bernoulli numbers， （9）
D
D
is considered the first computer program．Moreover，she understood that numbers could be used to represent （10）
C
C
just quantities．It could also be a machine that could（11）
D
D
other data like music and science．All that came true - in another 100 years．How did a young woman get the（12）
C
C
to show the world her talents in the 19th century？
（13）
B
B
，mathematical intelligence was not the only thing Ada Lovelace had going for her．Her（14）
A
A
probably came genetically （遺傳），as she was the daughter of the poet Lord Byron and his first wife
Anne Byron．Both were gifted and well （15）
B
B
．
Lady Byron，who studied literature，science，philosophy，and，most unusual for a woman，mathematics，was（16）
C
C
that Ada should not follow in her father's footsteps．Instead of art and literature，Ada was taught mathematics and science，which she later （17）
A
A
herself to．In 1838，she became Countess of Lovelace when her husband was raised to Earl of Lovelace．The noble （高貴的）family background would have landed Lovelace in the history books，but her（18）
D
D
in
mathematics made her a pioneer of not only computing，（19）
B
B
of women in science．
Lovelace died of cancer at only 36．To remember her contributions to science and engineering，October 13，Ada Lovelace Day is （20）
C
C
to learn about women in science，technology，engineering，and mathematics．
| （1） |
A．released |
B．designed |
C．commanded |
D．recovered |
| （2） |
A．because of |
B．instead of |
C．ever since |
D．except for |
| （3） |
A．very |
B．such |
C．so |
D．too |
| （4） |
A．development |
B．search |
C．decoration |
D．a(chǎn)pplication |
| （5） |
A．voted |
B．ignored |
C．replaced |
D．requested |
| （6） |
A．removed |
B．a(chǎn)dded |
C．packed |
D．explored |
| （7） |
A．a(chǎn)s well |
B．or so |
C．in return |
D．a(chǎn)s usual |
| （8） |
A．organize |
B．program |
C．encourage |
D．signal |
| （9） |
A．what |
B．that |
C．where |
D．which |
| （10） |
A．better than |
B．less than |
C．more than |
D．rather than |
| （11） |
A．watch over |
B．go through |
C．dig out |
D．deal with |
| （12） |
A．principle |
B．reward |
C．chance |
D．guidance |
| （13） |
A．Gradually |
B．Actually |
C．Exactly |
D．Unexpectedly |
| （14） |
A．intelligence |
B．a(chǎn)ttitude |
C．character |
D．identity |
| （15） |
A．concerned |
B．educated |
C．deserved |
D．selected |
| （16） |
A．shocked |
B．satisfied |
C．determined |
D．frightened |
| （17） |
A．devoted |
B．suited |
C．lost |
D．enjoyed |
| （18） |
A．experiences |
B．sufferings |
C．views |
D．a(chǎn)chievements |
| （19） |
A．while |
B．but |
C．a(chǎn)nd |
D．or |
| （20） |
A．set out |
B．set off |
C．set aside |
D．set down |
