使用安卓系统的手机拨打国际电话时，（）可输入“+”。

特殊法人投资者申请开户，应当提供相关监管机构、主管机关的批准文件。（）

以下关于学龄前期儿童的说法中，不正确的是（）

A.活动能力较强

B.求知欲强

C.发病率较前期下降

D.活动范围扩大

E.患病机会增加

男性，55岁。双下肢无力半年，右侧明显，近2个月步态不稳，右手不能扣纽扣。无外伤史，无发热。查体：颈背部无明显压痛，两上肢前臂、手及上臂尺侧皮肤感觉减退，右侧尤其明显，四肢肌张力增高，肱二头肌反射亢进，双侧膝踝反射亢进，右髌阵挛阳性，右巴宾斯基征阳性。最可能的诊断是（）

A.脑卒中

B.颈椎病

C.颈椎肿瘤

D.颈椎结核

E.颈神经根炎

金属钯在某新型药物合成反应的前后，其质量和化学性质都没有改变，你认为金属钯在此反应中的作用是（　　）

A．催化剂

B．乳化剂

C．反应物

D．生成物

The heat generated by the operating system war between rivals IBM Corp. and Microsoft Corp. is (21) .
Windows 95 and OS/2 introduce a new (22) . Both systems claim to multitask legacy DOS and 16-bit Windows applications. However, only OS/2 can provide full memory (crash) protection for these legacy applications because it is capable of running each DOS and Windows application within its full-protected memory address space.
Windows 95 will run all current Windows applications in the same shared- memory address space, affording full memory protection only to the (23) 32-bit Windows 95 applications. In other word, Windows 95 users will have to (24) their current Windows applications to Windows 95 version to match the memory protection OS/2 now delivers.
While OS/2 does afford superior memory protection and multitasking for legacy DOS and Windows applications, it will not be able to run any Windows 95 applications. IBM may address this (25) in an update of the OS but has no present plans to do so.

A．mistake

B．advantage

C．benefit

D．shortcoming