and scientists have yet to develop a magic ________ that keeps the kilos off permanently.?
pill
举一反三
- Scientists have yet to pinpoint the mechanisms involved but have come up with several （ ）explanations.
- It can be learned from the passage that______. A: it will be difficult for scientists to develop a vaccine for women B: HIV infects women in the same way with men C: most women have contracted a variety of HIV from several men D: it will be easy to develop a vaccine for men
- The international conference keeps _________ due to the COVID-19 pandemic. (put off)
- I have no ______ and I have lost 5 kilos in the last few weeks. A: taste B: appetite
- Have you fed the dog yet?TO____________ fed yet?
内容
- 0
An apple a day keeps the doctor ________. A: off B: in C: out D: away
- 1
After they ________ the first super computers in the 1940s, scientists and engineers began to develop ways to create networks.
- 2
Two more teams have dropped out of the league. A: have promenaded down B: have reprimanded for C: have left permanently D: have been absent
- 3
Scientists have not yet determined ______. A: all of the effects of pollution on the human body B: how pollution can be controlled successfully C: when the atmosphere first became polluted D: how to wash the black snow clean
- 4
We can be partners for now, but ultimately you have to ________ to develop a new software for our project. A: keep up B: take the lead C: make sense D: fire off