[填空题]Scientists use SM046 as an example to show that ______.

[填空题]Scientists use SM046 as an example to show that ______.

[单项选择]B Scientists have found a new use for children’s imaginations - to make stomachaches go away. The BBC reports a new study that shows：“Children can be taught to use their imaginations to deal with stomachaches.” This may be very good news for parents who need a quick cure for their sick children. Any mother or father understands：the stomach problem is one of the most frequent things their children complain about. Around twenty percent of children suffer from stomachaches that doctors cannot find a reason for. This new research is especially good for kids with active imaginations.Researchers found that the more creative the child is, the better he or she is at imagining the pain away. The researchers used a relaxing CD with children. A voice guided them them through different fantasy situations. One of these was pretending to be floating on a cloud. Thirty children took part in the tests. Half of them used the “guided imagery”method, and the other half received normal
A. have less imaginations.
B. don’t know how to relax.
C. want to stop their kids’ stomachaches in a short time
D. can find why children suffer from stomachaches.

[填空题]Why do scientists use software rather than hardware in their experiment

[填空题]Scientists have done countless experiments to show that praise is far( effective )（）than criticism in improving human behavior.

[填空题]Scientists use ______ to test whether their genetic modification of a plant is successful.

[单项选择]What does the example of Czech speakers show
A. It’s natural for language learners to make errors.
B. Differences between languages cause difficulty.
C. There exist differences between English and Czech.
D. Difficulty stems from either difference or similarity.

[简答题]Cite an example to show the benefits for humans of research using animals as subjects.

[填空题]Scientists have done a lot of study to show that praise is far （） (effective) than criticism in improving students’ behavior.

[填空题]In this way these insects show an efficient use of their sound-produced ability, organizing two sounds delivered at a high rate as one call. A. sound-produced B. organizing C. delivered D. call