rece - seve
- recent estimates have put the figure as high as ...
- recent experiments have shown ...
- recent research has indicated that ...
- recent studies of ... provide only part of the answer ...
- recent studies show that ...
- recently ...
- reckoning from today ...
- regard must be paid to ...
- regarding N.'s article we might ask ...
- regarding this example ...
- relations between ... were mainly based on ...
- reliability is tested when the same results are yielded ...
- reliable experimental data are restricted to ...
- reliance on ... has been found to be deficient ...
- remarkably, ...
- research at ... are developing the technique ...
- research in ... can be carried out by ...
- researchers commonly distinguish between 2 aspects of ...
- researchers confront specifying the relationship between ...
- researchers distinguish 3 kinds of tendencies
- researchers try to enlarge our understanding of ...
- respected professors can't agree on ...
- results are encouraging ... for ...
- results from such research should provide ...
- results from such research should provide the 1st stage in ...
- results of the experiment are ...
- results of the testing, whether positive or negative, can be of real importance to ...
- results somewhat analogous to those quoted here from ... were obtained ...
- returning from ... to ...
- right from the beginning ...
- roughly speaking, ...
- rules vary in importance ...
- scientists have long theorized that ...
- scientists have not been able to find a single unifying theory, one that can explain ...
- section 10 is the conclusion
- section B consists of a number of multiple-choice questions based on ...
- see the note ...
- seemingly, ...
