题目内容
Over the past decades, sea ice _______ in the Arctic as a result of global warming.
| A．had decreased | B．decreased |
| C．has been decreasing | D．is decreasing |
C
解析试题分析；考查时态和语态。句意：在过去几十年，由于全球的暖化，北冰洋的冰块在不断减少。根据句意及时间状语Over the past decades，可以确定decrease动作从过去就开始了一直持续到现在而且还很有可能持续下去，故使用现在完成进行时，故选C。
考点：考查时态和语态。
— I rang you up last night, but nobody answered.
— Oh, I usually ________ off my phone at about 9:00 p.m.
| A．switched | B．have switched |
| C．switch | D．had switched |
This was the first time that Chongqing the Listening Examination of Public English Test System II (PETS-2).
| A．has joined | B．joined | C．will join | D．had joined |
The actor still remembers the excitement in his class when a female classmate _____ for a key role in a Zhang Yimou film．
| A．is chosen | B．was chosen | C．chooses | D．chose |
It is getting colder. I hope the sudden change of climate _____ you.
| A．don’t upset | B．didn’t upset | C．hasn’t upset | D．won’t upset |
— Look! Somebody _____the sofa.
— Well, it wasn't me. I didn't do it.
| A．is cleaning | B．was cleaning |
| C．has cleaned | D．had cleaned |
The manager is said to have arrived back from Paris where he ____ some European business partners.
| A．would meet | B．is meeting | C．meets | D．had met |
－What did you do yesterday evening, Gina?
－I ________ Titanic 3D in the City Cinema.
| A．watch | B．watched | C．am watching | D．will watch |