1 . 根据下列句子语境，从所给选项中选择合适的选项填空，所给选项中有两个多余。

A. exceptional   B.emergent   C. precisely   D. billionaire E. grab your fist   F. claimed    G.threaten

1. At the age of five he showed ________ talent as a musician.
2. Oil supply issues among a group of major producing nations ________to increase tightness in the energy market and push prices higher.
3. When Columbus landed in the New World, he________ the land for Spain.
4. Nobody knows ________ how many people are still suffering from the epidemic.
5. When performing Heimlich Maneuver, you should ________ with your other hand and push up and into his / her stomach in one motion.