Although______our readers are not science professionals, they are eager to learn about new scientific developments.

A. a good deal of                                              B. the great number of

C. a large amount of                                         D. a great number of

 Sometimes it is how the food tastes, not how it looks, that_______to restaurant customers.

A. connects                                                     B. matters

C. concerns                                                     D. impresses

The final examination is approaching. It’s time we got down to_______what we’ve learned this term.

A. revising　　　　　　　　　　　　　　　　　　　　　　　　　　　　B. revise

C. having revised　　　　　　　　　　　　　　　　　　　　　　 D. being revised

When you read an English book, make a mark_______ you come across a new word.

A. what　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 B. where

C. as　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 D. which

Many students’ failures_______their carelessness in every examination.

A．lie in　　　　　　　　　　　　　　　　　　　　　　　　　　　　 B．get in

C．take in　　　　　　　　　　　　　　　　　　　　　　　　　　　D．turn in

 Anyone_______life frequently can never experience the real happiness of life.

A. complaining about                                        B. complaining

C. complains of                                                D. who complains

 How such a large quantity of knowledge can be_______puzzles many students.

A．required                                                     B．requested

C．inquired                                                     D．acquired

 _______you keep your main objective in sight, there’s no reason why you shouldn’t have a little variety in your life!

A. Because                                                      B. As long as

C. Unless                                                         D. If only

A government official was murdered last Friday and the police are collecting information that is_______to the case.

A．similar                                                              B．devoted

C．relevant                                                     D．addicted

 You will be there tomorrow—you won’t let me_______ , will you?

A. out                                                                    B. in

C. off                                                                     D. down