题目内容

The world will be different, and we will have to be prepared to ________ to the change.

A. adopt
B. adapt
C. accustom
D. adept

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The company has launched a campaign of television ________ and leaflets.

A. commercials
B. commences
C. commerce
D. commercialization

Suppose that when I come back in ten years’ time all these old houses ________ down.

A. will have been pulled
B. will have pulled
C. will be pulling
D. will be pulled

明明今年2岁，自出生后经常发现其口唇、及四肢末端青紫，于吃奶和哭闹后加重，并且生长发育缓慢，身高和体重明显落后于同龄孩子。工作任务：1.明明为什么会出现此种情况？2.该患儿发绀原因可能是什么？3.该患儿属于哪一型发绀？3.可进一步做何检查明确诊断。4.明明存在的主要护理诊断/问题是什么？

皮肤黏膜出现发绀时，毛细血管血液的还原血红蛋白超过多少？

A. 100g/L
B. 50g/L
C. 80g/L
D. 40g/L
E. 30g/L