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【单选题】
人出生后造血干细胞的主要来源是A.
骨髓
B.
胸腺
C.
淋巴结
D.
脾脏
E.
肠系膜淋巴结
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【单选题】水准测量的测站校核方法有下列中的哪些方法? Ⅰ．∑h=∑a－∑bⅡ．双仪器法Ⅲ．∑h=0 Ⅳ．双面尺法Ⅴ．改变仪高法Ⅵ．∑h测=H终－H始
A.
Ⅰ、Ⅲ、Ⅴ
B.
Ⅰ、Ⅳ、Ⅵ
C.
Ⅲ、Ⅲ、Ⅳ
D.
Ⅱ、Ⅳ、Ⅴ
【简答题】什么是能量管理系统（EMS）？配电管理系统（DMS）和能量管理系统（EMS）的相似和不同之处分别是什么？
【简答题】When the father was back from work, he found the house was in a mess. As you listen, try to find out the sentences that used to describe the mess.
【单选题】水准测量的测站校核方法有下列中的哪些方法？Ⅰ．∑h=∑a-∑bⅡ．双仪器法Ⅲ．∑h=0Ⅳ．双面尺法Ⅴ．改变仪高法Ⅵ．∑=- （）
A.
Ⅰ、Ⅲ、Ⅴ
B.
Ⅰ、Ⅳ、Ⅵ
C.
Ⅱ、Ⅲ、Ⅳ
D.
Ⅱ、Ⅳ、Ⅴ
【单选题】To the couple’s great surprise, the house was in a mess as if________ .
A.
breaking into
B.
having broken into
C.
broken into
D.
being broken into
【单选题】Our mother ________us because we made the house in a mess.
A.
was pleased with
B.
was satisfied with
C.
was excited about
D.
was angry with
【单选题】The old lady was really shocking at the terrible mess in the house. A B C Which part is not correct?
A.
B.
C.
C
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