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【单选题】
经过6年的发展，中非基金已经成长为中国对非经贸合作领域最大的股权投资基金。目前，中非基金已累计决策投资60多个项目，遍及非洲30多个国家，决策投资额超过24亿美元，涉及能源矿产、机械制造和农业等多个领域。对此，正确的理解是（）①优化了我国贸易结构②拓宽了我国利用外资渠道③进一步实施了“走出去”战略④提高了我国对外开放的水平A.
②④
B.
③④
C.
①③
D.
①②
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【简答题】写出符合下列特征的元音：舌面、后、高、圆唇元音______，舌面、前、高、圆唇元音______。
【单选题】Which of the following statement is true?
A.
RealNetworks makes profit through clever licensing terms.
B.
RealNetworks intends to cooperate with Netscape to compete against Microsoft.
C.
Microsoft completely beat Netscape in marketing competition.
D.
Microsoft has developed a new program superior to that of RealNetworks.
【单选题】Which of the following statement is true?
A.
ReslNetworks makes profit through clever licensing terms.
B.
RealNetworks intends to cooperate with Netscape to compete against Microsoft.
C.
Microsoft completely beat Netscape in marketing competition.
D.
Microsoft has developed a new program superior to that of RealNetworks.
【简答题】ISO/OSI参考模型中用来建立、管理和终止应用程序会话并管理表示层实体之间的数据交换的层是( )。
【单选题】如图为四缸发动机工作原理:内燃机通过连杆把四个汽缸的活塞连在一根曲轴上,并使各汽缸的做功过程错开。曲轴与飞轮相连,飞轮每转动半周,有一个汽缸在做功,其他三个汽缸分别在做吸气、压缩和排气工作。现有一台四缸发动机,其主要技术指标如下表 所示,其中排量等于四个汽缸工作容积的总和,汽缸工作容积等于活塞的面积与活塞上下运动的距离(即冲程长)的乘积,转速表示每分钟飞轮所转的周数。若在做功冲程里,燃气对活塞压...
A.
3 ×10 5 Pa
B.
3 ×10 6 Pa
C.
1.2 ×10 5 Pa
D.
1.2 ×10 6 Pa
【单选题】When the Federal Communications Commission proposed giving low-power radio stations licenses on the FM dial, they knew they'd get flak from big broadcasting. The National Association of Broadcasters (...
A.
backers of commercial radio
B.
National Public Radio
C.
large radio stations in the U.S.
D.
companies which produce large radio transmitters
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