I．词语翻译（1分/题，共15分）
1. tolerate v. __________________ 2. switch n./vt. ___________________
3. press n. /v.__________________ 4. optimistic adj.__________________
5. lack n./vi. __________________ 6. fasten vt. _____________________
7. guide n./v. _________________ 8. instant n./ adj. _________________
