I'm not mistaken, Rio de Janeiro of Brazil was chosen as the host city for the 2016 Olympics.
| A．If | B．As | C．Unless | D．Though |
It __________ her to feel his arms around her.
| A．praised | B．criticized | C．comforted | D．awakened |
Lucidly he is going to attend Qinghua University, __________ his sister graduated last year.
| A．that | B．where | C．which | D．there |
—What do you think of the standard of the new curriculum (课程)?
—It is certain to have a great __________ upon the future of both teachers and students.
| A．result | B．effect | C．effort | D．affect |
Old people need special care in winter, as they are very __________ to sudden change of the weather.
| A．sensitive | B．painful | C．attractive | D．familiar |
Now more and more people have come to know the role that trees __________ in our natural environment.
| A．do | B．take | C．play | D．work |