The Chinese scientist Tu Youyou won the 2015Nobel Prize．
Her has saved millions of lives across the world．（ ）
A．victoryB．storyC．discoveryD．industry
-What's the article about，David？
-It's about some tricks on how to save and spend money _____________.
| A． |
cheaply |
B． |
kindly |
| C． |
wisely |
D． |
comfortably |
In my opinion，of all the books，this is the only one ____________is well worth reading.
| A． |
who |
B． |
that |
C． |
whom |
D． |
what |
-Do you like the present，Cindy？
-Oh，I've been thirsty ________ such a dictionary.I'm really thankful ________ you.
| A． |
for；to |
B． |
with；to |
C． |
about；with |
D． |
to；about |
- Must I study medicine and be a doctor like you，Dad？
- No，you ______________，son.You're free to make your own decision.
| A． |
can't |
B． |
mustn't |
C． |
shouldn't |
D． |
needn't |
-China is a great country with a history of about five ________ years.
- Yes.And ___________ of foreigners come to visit it every year.
| A． |
thousand；thousand |
B． |
thousands；thousands |
| C． |
thousand；thousands |
D． |
thousands；thousand |