板翅式换热器中翅片的型式有()。
A.平直形
B.多孔形
C.锯齿形
D.人字形
参考答案:A, B, C
选择正确的单词完成句子。
1. I am __________ (in, at) the park.
2. __________ (Where, What) are you from?
3. I __________ (eat, see) with my eyes.
4. I am eight __________ (year, years) old.
5. I have __________ (one, two) nose.
6. We are __________ (student, students).
7. I __________ (smell, hear) with my nose.
对于急性胰腺炎患者,不正确的营养支持疗法是()
A.选择回肠内喂养要素膳最好
B.选择以游离氨基酸为氮源的要素膳
C.选择以短肽为氮源的要素膳
D.膳食中脂肪含量应该较低
E.选择含中链甘油三酯的配方