I am surprised that you should have been fooled by such a （an）_______trick.
| A．ordinary | B．easy | C．smart | D．simple |
____ is known to all, persistence is a kind of quality and that’s ____ it takes to do anything well.
| A．As; which | B．It; which | C．It; what | D．As; what |
Heads from different countries gathered in Amsterdam and President Xi jinping _____ a speech on nuclear safety.
| A．stated | B．issued | C．delivered | D．addressed |
Inner beautity takes _____ a casual glance to appreciate and it is much more importnat than physical beauty.
| A．more than | B．less than | C．other than | D．sooner than |
She _____ her mother in appearance but they are different from each other in character.
| A．resembles | B．looks | C．is similar | D．likes |
Scientists are increasely _____ that the earth is getting hotter because of carbon dioxide and other gases.
| A．content | B．conscious | C．convinced | D．common |