下列哪一条不是临床试验的特点（）。 A.以临床病人为研究对象 B.人为地、主动地给予

根据下列句子及所给汉语注释，写出空缺处各单词的正确形式。(每空只写一词)

66. Though you’re         (熟悉) with the poem, you’ll try to learn it by heart.

67. People in Australia enjoy staying        (户外).

68. His visit became less        (频繁的) as time passed.

69. The doctor           (表扬) our daughter for her courage this morning.

70. This football game was          (播出)live on TV across Europe.

71. This company is one of the Post Office’s biggest       (顾客).

72. They lived in London until quite       (最近).

73. Could you       (递送) this letter to the accounts department?

74. Who is to           (负责) for the failure?     

75.You may read after the tape to improve your        (发音).

( )金融业务亏损的可能性大。

A．商业性

B．民间性

C．政策性

D．非政策性

无排卵功血子宫内膜的病理变化为________、________及________。

ISO是（）的缩写。

校园网内的一台计算机不能使用域名而可以使用IP地址访问外部服务器，造成这种故障的原因不可能是

A．本地域名服务器无法与外部正常通信

B．提供被访问服务器名字解析的服务器有故障

C．该计算机DNS设置有误

D．该计算机与DNS服务器不在同一子网