At minus 130℃, a living cell can be ______ for a thousand years.
| A．spared | B．protected | C．preserved | D．developed |
Not only I but also Jane and Mary ____ tired of having one examination after another.
| A．is | B．are | C．am | D．be |
Nobody but us _____ the secret.
| A．know | B．knows | C．have known | D．is known |
_____ of the land in that district _______ covered with trees and grass.
| A．Two fifth; is | B．Two fifth; are | C．Two fifths; is | D．Two fifths; are |
--I’d like to invite you to dinner this Saturday.
--_______.
| A．Oh, no, let’s not | B．I’d rather stay at home |
| C．I’m very sorry, but I have other plan | D．Oh, no. That’ll be too much trouble. |
语音知识（共5小题，每小题1分，满分5分）skim
| A．inspiration | B．organization | C．institute | D．possible |
expand
| A．race. | B．decade | C．mineral | D．bacteria |
worth
| A．thus | B．there | C．thunder | D． though |
hunger
| A．underline | B．circulate | C．argue | D．super |
comment
| A．reduce | B．focus | C．circulate | D．audience |