Just like fingerprints, each person’s DNA is ________unless he has a twin．
A．unusual B．normal C．various D．unique
— What do you think of investing in today’s stock market?
— There are many risks, but also many gains．
A．potential B．confidential C．influential D．preferential
The new CRH train between Beijing and Shanghai _______ speed once reached about 350km/h has had a 50 kph speed cut to 300 kph.
A．whose B where C．that D．which
These days I have been dreaming of a sale —— Buy two iPads and get completely free．
A．other B．the other C．another D．all
Things like eye contact and hand gestures _____ great importance in situations such as job interviews．
A．take in B．take off C．take on D．take down
Taking charge of the big company, I’m afraid, is _____ his ability．After all, it is only three years since he graduated.
A．beyond B．within C．of D．to
