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【单选题】
()是我国社会主义民族关系的首要特征和基础
A.
民族团结
B.
民族和谐
C.
民族平等
D.
民族互助
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【单选题】—May I speak to your manager Mr. Williams at five o’clock tonight? —I’m sorry. He ________ gone to a party long before then.
A.
had
B.
is
C.
will have
D.
has
【简答题】— May I have your________to leave a little earlier? — Certainly, but  you  should  be  back  tomorrow  by 9 o'clock. [     ] A . conclusion B. encouragement C. suggestion D. permission
【单选题】给予病人使用简易呼吸器时,连接氧流量调至
A.
3升/分
B.
4升/分
C.
6升/分
D.
10升/分
【单选题】--- May I visit you at 10 o’clock tomorrow morning? --- I’m afraid I ______ a document for my boss then. What about 12:00?
A.
am preparing
B.
will have prepared
C.
will be preparing
D.
have been preparing
【简答题】—“May I speak to your manager Mr. Williams at five o’clock tonight?” —“I’m sorry. Mr. Williams ________ to a conference long before then.” A) will have gone B) had gone C) would have gone D) has gone
【单选题】—— May I see you at 4 o’clock this afternoon? —— I’m afraid not, I a charity meeting then.
A.
will attend
B.
have attended
C.
will be attending
D.
was attending
【单选题】--May I speak to your manager at four o’clock this afternoon? --I’m sorry. He ________ to a conference long before then.
A.
will have gone
B.
had gone
C.
would go
D.
has gone
【单选题】电子燃油喷射系统中,单点喷射类型的喷油器是安装在什么位置上的?
A.
节气门上方
B.
进气门附近
C.
每个气缸内
【单选题】4、单点喷射系统中,喷油器安装在( )
A.
进气歧管进气门处
B.
节气门体空气入口处
C.
空气滤清器前方
D.
气缸上
【单选题】—— May I leave the office before 5 o’clock in the afternoon? —— No, I’m afraid you_______.
A.
needn’t
B.
shouldn’t
C.
mustn't
D.
won’t
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