一些微生物以____ 方式生活，一些微生物以____ 方式生活，一些微生物属于生产者，因为能____ ．

    At the start of every new year, it is very typical ____ (make) new year's resolutions. However, do they really work?

    Personally, I don't think so. Firstly, it's always great to start the new year with a good ____ (intend) and a positive attitude, as it can bring more hope and happiness. However, when life ____ (return) to normal, the enthusiasm of writing a diary, for example, can wear off.

    We often choose the goals ____ are unrealistic as resolutions under the false belief that we can just be a ____ (complete) different person in the new year. In fact, changes happen in small steps over time, so why not take a step back and think of something we can benefit ____?

    For instance, let's simply set some achievable goals: smile more at ____(strange), laugh at least ____ (two) a day or write a positive thing that makes you happy, no matter ____ simple they are. These small gestures are thought ____ (be) effective to make you better on the inside and outside. So, let's take the pressure away and make a great effort to be a better me!

如果采用样方法调查某地区（甲地）蒲公英的种群密度，下列做法中正确的是（  ）

下列有关非洲位置的叙述，不正确的是(    )

材料一　下图为我国铁矿石主要进口来源示意图。

材料二　下图示意1996～2007年我国铁矿石的进口量及均价。

材料三　加工贸易是我国对外贸易的主要方式，但目前我国的加工贸易主要是进行低层次的加工，附加值低。