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【单选题】
What have been the main exports? ()
A.
Agricultural products and military equipment.
B.
Chemical products
C.
Motor vehicles
D.
Some fruits.
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【单选题】下列程序段的时间复杂度是( )。for(i=0;i<m;i++) for(j=0;j<t;j++) c[i][j]=0; for(i=0;i<m;i++) for(j=0;j<t;j++) for(k=0;k<n;k++) c[i][j]=c[i][j]+a[i][k]*b[k][j];
A.
O(m+n+t)
B.
O(m+n*t)
C.
O(m*t+n)
D.
O(m*n*t)
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【简答题】私家庭园中的植物功能应该是多样化的,尤其体现在__的功能
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【单选题】What are the South Africans’ attitude toward time?()
A.
black South Africans do things a little quicker.
B.
White South Africans do things a little slower.
C.
They have a more formal view of time.
D.
For white and black people living in South Africa, the concept of time and attitudes toward it vary.
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【单选题】What we can do to facilitate the business negotiation with South Africans?()
A.
Talking about the negotiation immediately.
B.
We better use the phone meeting.
C.
Building mutual trust
D.
Learning a language other than English.
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【单选题】0关于幽门螺杆菌的特性,下列哪项是正确的:
A.
归属于弯曲菌属
B.
革兰阴性杆菌,无鞭毛
C.
需氧生长,营养要求高
D.
对胃酸耐受力强
E.
与B型胃炎、消化性溃疡及胃癌等有关
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【单选题】0关于嗜血杆菌属的叙述,下列哪项是错误的:
A.
属于革兰阴性小杆菌
B.
有鞭毛,无芽胞
C.
有些菌种有荚膜和菌毛
D.
需氧或兼性厌氧
E.
人工培养须供给新鲜血液
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【判断题】住宅小庭院可考虑营造蔬菜型庭院绿化、果树型庭院绿化等具有园艺功能的庭院
A.
正确
B.
错误
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【单选题】What is the formal business dress code in South Africa? ()
A.
People can wear a pair of shorts if the weather is very hot.
B.
Women can wear a formal tight suit.
C.
Men can wear a suit.
D.
People can wear traditional African garment.
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【多选题】0嗜血杆菌属的生物学性状是:
A.
革兰阴性小杆菌,常呈多形性
B.
无鞭毛,也不形成芽胞
C.
需氧或兼性厌氧
D.
培养时须供给新鲜血液
E.
生长较缓慢
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【多选题】0嗜血杆菌人工培养时必须供给新鲜血液,因为血液中含有:
A.
蛋白质
B.
呼吸酶
C.
X因子
D.
V因子
E.
氨基酸
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