a slew of, a raft of

リーダーズダイジェスト9月号で "a slew of" が全く別の記事ですが続けて出てきたので覚えたいと思いました。
・That's the theory behind a slew of clinical trials now underway around Australia and the world.
・He's amassed fans through over two decades of work, making his rounds on the stand-up comedey circuit, joining the case of TV's "Saturday Night Live"(widely regarded as one of the best springboards to success for aspiring comedians) in 1990, and being part of a slew of hit movies that have established him as one of today's most popular actor-comedians.
"a slew of" を辞書で引きます。
・OneLook Quick Definitions: (often followed by `of') a large number or amount or extent
・Dictionary.com: also slue: n. Informal: a large number or quantity: a whole slew of people.
・Cambridge Advanced Learner's English Dictionary: a large amount or number; Mr Savino has been charged with three murders as well as a whole slew of other crimes.
"a slew of" は "a lot of" と同じと考えてよさそうですね。　やはり同じくＲＤ９月号の別の記事で使われている "a raft of" も確か同じ意味ですね。
Helping to alleviate the impact as well as the guilt, Airbus's A380, currently being introduced across a raft of airlines, has more efficient fuel-burn than most other aircraft.
"a raft of" も辞書の説明を引用します。
OneLook Quick Definitions: (often followed by `of') a large number or amount or extent
Dictionary.com: a great quantity; a lot: a raft of trouble.