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【单选题】
(1~4题共用题干),女,9个月,奶粉喂养,未添加辅食。出现面色黄2个月,表情呆滞,进食减少,有时呕吐,粪便稀。经血常规检查,诊断为营养性巨幼红细胞性贫血。3采用治疗的药物为:A.
口服叶酸
B.
肌内注射维生素B12
C.
口服叶酸，同时肌内注射维生素B12
D.
口服叶酸，同时口服维生素C
E.
肌内注射维生素B12时口服维生素C
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【简答题】B--(40) Now use em- , en- , or ex- to complete the words in the sentences below. Check your answers with a partner. 5 Rupert had the date of his wedding______ graved on the inside of his wedding ring.
【简答题】Task 5 Complete the passage with the correct form of the words in the first two columns in Task 4.
【简答题】Page 5: 2. Complete the sentences with the correct words.
【简答题】Task 5. Complete the following passage with the words given below. You don ’ t need to change the form actually. Task 5.pdf
【简答题】Section B Directions：Complete the following passage by using the words in the box. Each word can only be used once. Note that there is one word more than you need. distribute B. stresses C. unloadi...
【简答题】复用段保护环最多允许环中节点数为（）。
【单选题】三通阀发生保压作用时( ) 。
A.
列车管停止向副风缸充气 ，副风缸停止向制动缸充气 制动缸内压力不 再上升。
B.
制动内压缩空气通过三通阀排气口排入大气
C.
列车管停止向外排气 ，副风缸停止向制动缸充气 制动缸内压力不再上 升。
D.
列车管通过三通阀的充气沟向副风缸充气 ，制动缸的压缩空气通过三通 阀排气口排入大气
【简答题】Part 2 Dialogues Dialogue 2 The Magnificent Town Residence Listen to the dialogue and complete the following chart. (1) Listen to some extracts from the dialogue and complete the sentences with the mi...
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