1 . After a short orientation, participants will each get a chance to pose ________ a photo. （用适当的词填空）

2 . Since then my family and I have been used by millions of people ________ (deal) with information and communicate with each other around the world by the Internet. （所给词的适当形式填空）

3 . Out of a strong passion ________ knowledge, Einstein continued to study, earning a decorate in physics in 1905. (用适当的词填空)

4 . In 2011, words similar to those of Mallory were spoken by American mountain climber Alan Arnette, ________ climbed Qomolangma in that year and was going to climb other high mountains around the world. (用适当的词填空)