Moviegoers know that many special effects are created by computers, they often don' tknow is that these scenes still require a lot of work.

A．That

B．Whom

C．What

D．How

[单选题]Passage FourMany people want to know how to analyze problems they meet. There are six stages in analyzing a problem.F．irst the person must recognize that there is a problem. For example, Sam's bicycle is broken, and he cannot ride it to class as he

[单选题]D．o scientists know how many cryptic species exist?A．Not yet.B．Yes, they do.C．They will know the answer in another one or two years.D．They will never know the answer.

[问答题]根据下面资料，回答As we know, museums are buildings where many valuable and importan

[问答题]根据下面资料，回答As we know, museums are buildings where many valuable and importan

[问答题]根据下面资料，回答As we know, museums are buildings where many valuable and importan

[问答题]根据下面资料，回答As we know, museums are buildings where many valuable and importan

[问答题]根据下面资料，回答As we know, museums are buildings where many valuable and importan

[问答题]根据下面资料，回答As we know, museums are buildings where many valuable and importan

[问答题]根据下面资料，回答As we know, museums are buildings where many valuable and importan

[问答题]根据下面资料，回答As we know, museums are buildings where many valuable and importan