Advanced Vocabulary Exercise #18

Both "agreement" and "protocol" mean an arrangement between different people.

Both "unaffected" and "despite" mean showing no effects.

Both "exploit" and "utilize" mean to make practical use of something.

Both "assumption" and "hypothesis" refer to a thing that is believed to be true.

Both "ranking" and "hierarchy" are related to placing someone in a position.

Both "about" and "approximately" mean not exact or totally correct.

Being good at an additional language requires a lot of time and effort. It is common to see people struggling with using a foreign tongue after learning it for years. However, despite having started to learn it only for a short time (= without being affected by her little experience in the language), she can communicate in German pretty well.

The World Trade Organization (WTO) supports nations around the world to come up with trade deals. One of its primary functions is to make sure trade deals are set properly. Therefore, it has a set of official procedures, or a protocol, to support countries in drafting trade agreements.

People up high in the management hierarchy, or chain of command, have the authority to fire most employees of the company. I guess the speaker is not a friend of Jennifer's and probably offended her at some point. That would explain why he or she sounds so scared.

Before scientists conduct an experiment, they usually come up with hypothese, or things they believe to be true. After the experiment, they gather research data to see if their hypothese still hold up. In the context of the sentences, it seems that there was no data that could provs their hypothese but the scientist still published his research!

Although modern sciences have solved many mysteries of our body, our brain remains a place full of secrets. It is an urban myth that we can only make use of, or utilize, one tenth of our brain's processing power. This has been proved incorrect by scientists.

Twins are siblings born at the same time. In some cases, twins share many physical features, but it is of course impossible for them to be exactly alike. In other words, they can only be about, or approximately, the same size.