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【单选题】构建人类命运共同体思想的核心是建设()的世界
A.
持久和平、普遍繁荣、共同发展、开放包容、清洁美丽
B.
持久发展、普遍繁荣、共同繁荣、开放包容、清洁美丽
C.
持久和平、普遍安全、共同繁荣、共享发展、清洁美丽
D.
持久和平、普遍安全、共同繁荣、开放包容、清洁美丽
【单选题】It's hard to say who will _____ the match in the end. They are neck and neck now. [ ]
A.
win
B.
kick
C.
play
D.
fight
【单选题】And the horses _______up to the finish line. They're neck and neck... neck and neck all the way. Oh, the Italian horse Mamma Mia ______ the race. [ ]
A.
come; is winning
B.
have come; wins
C.
are coming; won
D.
are coming; wins
【单选题】In general, the ( ) stage begins roughly in the second half of the child‟s second year.
A.
habbling
B.
one-word
C.
two-word
D.
multi word
【单选题】It’s roughly neck and __________ between us for market share.
A.
race
B.
neck
C.
eye
D.
head
【多选题】使用甘汞电极时，操作正确的是（）。
A.
使用时，先取下电极下端口的小胶帽，上侧加液口的小胶帽不必取下
B.
电极内饱和KCl溶液应完全浸没内电极，同时电极下端要有少量的KCl晶体
C.
电极弯管处不应有气泡
D.
电极下端的陶瓷芯毛细管应通畅
E.
当待测溶液中含有Ag + 、S 2- 、Cl - 及高氯酸等物质时，应加置KCl盐桥
【单选题】— Which of the twins runs ______? — It's hard to say. They are neck and neck now. [ ]
A.
fast
B.
faster
C.
fastest
D.
the fastest
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