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【简答题】
系统误差产生的原因有——————、——————、————————、————————、——————。
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举一反三
【单选题】下列关于砖墙砌筑工艺说法有误的是( )
A.
砌墙前应在基础防潮层或楼面上定出各层标高，并用 M7.5 水泥砂浆或 C10 细石混凝土找平，使各段砖墙底部标高符合设计要求。
B.
摆砖是指在放线的基面上按选定的组砌方式用干砖试摆
C.
其上划有每皮砖的砖及灰缝厚度，门窗洞口、过梁、楼板、梁高等标高的木质或铝制标杆
D.
砌筑过程中应“三皮一靠、五皮一吊 ” ，保证墙面垂直平整
【简答题】She has two sons ___________ (live) in Hong Kong.
【单选题】— Has Li Hong gone to the library? — Pardon? — I asked the library.
A.
if Li Hong had gone to
B.
if had Li Hong gone to
C.
Li Hong had gone to
D.
has Li Hong gone to
【单选题】Oblong Ltd has had the following results: If Oblong Ltd makes a claim to relieve its trading loss of ￡102,800 for the year ended 31 March 2016 against total profits for the year ended 31 March 2015, h...
A.
￡6,500
B.
￡16,600
C.
￡9,400
D.
￡23,400
【单选题】She has visited Hong Kong_______, but she wants to be there a_____ time.
A.
two, three
B.
twice, three
C.
twice, third
D.
two, third
【单选题】—Has Li Hong gone to the library? —Pardon? —I asked the library.
A.
if Li Hong had gone to
B.
if had Li Hong gone to
C.
Li Hong had gone to
【单选题】—Where is your uncle? —He ______ to Hong Kong. He will come back in two weeks. [ ]
A.
has been
B.
had been
C.
has gone
D.
went
【简答题】Here is an advertisement about two-day tour between Hong Kong and Ma. Two-day tour between Hong Kong and Ma Date: July 15 th -16 th Travel: Sightseeing bus in the city and the ship/boat/spee...
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