10个月男孩。至今以母乳喂养为主，辅食添加少，近日出现面色苍白，易感冒、腹泻。体检：发育尚可，皮肤、黏膜苍白，心肺正常，肝肋下3cm，脾肋下1cm。血常规：Hb78g/L，RBC3.2×1012/L，WBC、PLT及网织红细胞均正常。血涂片：红细胞大小不等，以小细胞为主，中央淡染区扩大。
此患儿最可能出现的化验结果是( )
MCV(fl) MCH(pg) MCHC(%)
A．80～9028～3232～38
B．＞94 ＞32 32～38
C．80～94＞32 32～38
D．＜80 ＜28 32～38
E．＜80 ＜28 ＜32
参考答案：E
| Directions: For each blank in the following passage there are four words or phrases marked A,B, C and D. Fill in each blank with the word or phrase that best fits the context. | ||||
| The first attempt of even the most talented artists, musicians, and writers is seldom a masterpiece, If you consider your drafts as dress rehearsals (彩排), or tryouts, revising will seem a natural part of the writing 1 . What is the purpose of the dress rehearsals and the out-of-town previews that many Broadway shows go through? The answer is adding, deleting, replacing, reordering, 2 revising. Andrew Lloyd Webber's musical Phantom of the Opera underwent such a process. When Lloyd Webber began writing in 1984, he had in mind a funny, exciting production. However, when Phantom opened in London in 1986, the audience saw a moving psychological love story set to music. The musical had. 3 several revisions due, in part, to problems with costuming and makeup (戏服和化妆). For instance, Lloyd Webber 4 some of the music because the Phantom's makeup prevented the actor from singing certain sounds. When you revise, you change aspects of your work in 5 to your evolving purpose, or to include 6 ideas or newly discovered information. Revision is not just an afterthought that gets only as much time as you have at the end of an assignment. 7 , it is a major stage of the writing process, and writers revise every step of the way. Even your decision to 8 . topics while prewriting is a type of revising. However. don't make the mistake of skipping the revision stage that follows 9 . Always make time to become your own 10 and view your dress rehearsal, so to speak. Reviewing your work in this way can give you 11 new ideas. Revising involves 12 the effectiveness and appropriateness of all aspects of your writing, making your purpose more clearly, and refocusing or developing the facts and ideas you present. When you revise, ask yourself the following questions, keeping in mind the audience for whom you are writing: Is my main idea or purpose 13 throughout my draft? Do I ever lose sight of my purpose? Have I given my readers all of the 14 that is, facts, opinions, inferences-that they need in order to understand my main idea? Finally, have I included too many 15 details that may confuse readers? | ||||
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