题目内容
The group’s research has done much to our knowledge of the HIV virus．
| A．advance | B．pull | C．rush | D．adopt |
A
解析
Up to now, no one has come up with a（n） explanation of why dinosaurs died out, and it remains a mystery．
| A．astonishing | B．amusing | C．convincing | D．puzzling |
---Keep a____eye on your little girl!
-Oh, my God! She is standing too ____to the fire.
| A．closely, closely | B．close, closely | C．close，close | D．closely , close |
No one could ________ the failure of the experiment as everything went smoothly at first.
| A．give an account for |
| B．account for |
| C．take account of |
| D．take into account |
—Oh, I've just locked my keys in my office again.
—You're always so careless, but ________ let's see what we can do about it.
| A．otherwise | B．therefore |
| C．anyway | D．besides |
Currently, many American women are still faced with the ________ of choosing between work and family commitments.
| A．desperation | B．confusion |
| C．dilemma | D．concern |
At the APEC Summit held in Yokohama, Japan, AsiaPacific leaders addressed ________ over global growth, regional economic development and emerging markets.
| A．concerns | B．careers |
| C．adaption | D．recognition |
—Hello！I want to book a double room.
—Sorry.There is no double room ________.
| A．suitable | B．available |
| C．comfortable | D．cheap |
If you put too many potatoes in that paper-bag it will _____.
| A．fail | B．explode | C．crack | D．burst |