题目内容
【题目】China ________ a lot to protect pandas since 1980.
A.doesB.didC.has doneD.is doing
【答案】C
【解析】
句意:自1980年以来,中国为保护大熊猫做了很多工作。
考查现在完成时。does一般现在时;did一般过去时;has done现在完成时;is doing现在进行时。分析句子可知,此处构成“现在完成时+since+一般过去时”结构,强调时间的延续,所以使用现在完成时。故选C。
【题目】Care for those who you love. Don’t wait ________ it is too late.
A.unlessB.whenC.untilD.although
【题目】From this story we know that nobody can be successful _______ any efforts. (没有)
【题目】毫无疑问,电脑在科技和商业上是很有用的。
There is _______ _______that computers are very useful in technology and business.
【题目】Yancheng Nature Reserve is the ________(two) largest home to red-crowned cranes in China.
【题目】As we all know, the sun________(升起) in the east.
【题目】Mistakes are ________ sometimes. We learn a lot from them. (value)
【题目】—________exercise every day, my child. It’s good for your health.
— Will you exercise with me, Dad?
A.TakeB.To takeC.Taking
【题目】如果你失败了,千万别忘了从中吸取教训。
Don’t forget _____________ it if you fail.