当轧车轧液率不匀时，极易产生（） A.原样色差 B.左中右色差 C.前后色差 D.反

检查舌咽神经和迷走神经不包括（）。

A.发音、吞咽

B.悬雍垂位置

C.伸舌

D.软腭运动

E.咽反射

流脑密切接触者包括（）

A、看护者

B、同住者

C、同班同学

D、以上都是

计算机在正常操作情况下，以下（）现象可以怀疑计算机已经感染了病毒。

A.COMMAND.COM文件长度明显增加

B.打印机不能走纸

C.硬盘转动时发出响声

D.显示器变暗

8250除数寄存器的值用于确定通信波特率，它必须在8250初始化时预置，为此，应先把通信线控制寄存器的　【 】　位(DLAB)置为1，然后将其分别写入高8位除数寄存器和低8位除数寄存器。

It has been argued by some that gifted children should be grouped in special classes. The (31) has been on the belief that in regular classes these children are held back in their intellectual (智力的) growth by learning situation that has designed for the (32) children.

There can be little doubt that (33) classes can help the gifted children to graduate earlier and take their place in life sooner. However, to take these (34) out of the regular classes may create serious problems.

I observed a number of intelligent children who were taken out of a special class and placed in a regular class. In the special class, they showed little ability to use their own judgment, relying (35) on their teachers’ directions. In the regular class, having no worry about keeping up, they began to reflect voluntarily on many problems, some of which were not on the school program.

Many are concerned that gifted children become (36) and lose interest in learning. However, this (37) is more often from parents and teachers than from students, and some of these (38) simply conclude that special classes should be set up for those who are (39) . Some top students do feel bored in class, but why they (40) so goes far beyond the work they have in school. Studies have shown that to be bored is to be anxious. The gifted child whop is bored is an anxious child.

39（）

A.talented 

B.worried 

C.learned 

D.interested