火焰原子吸收分光光度法测定气体污染源中铅时，Na+、K+、Ca2+对测定稍有增感作用

黏液脓性鲜血便伴里急后重可见于（）

A.急性细菌性痢疾

B.痔疮

C.肠结核

D.肠套叠

E.急性出血性坏死性肠炎

下列疾病中，哪一项不属于妊娠病（）

A.胞阻

B.转胞

C.子烦

D.息胞

E.子肿

当粉尘、液体在管路中流动，或从容器中抽出或注入容器时，都会产生静电。这些静电如不及时消除，很容易产生电火花而引起火灾或爆炸。管路的抗静电措施主要包括静电接地和控制流体的（　 ）。

A．压力

B．温度

C．湿度

D．流速

Central Park

Outside among the trees, watch the wildlife — both the human and animal varieties. Call (212)360 — 3465 or (212)360 — 2726 for events and tours. Central Park stretches from 59th to 110th Sts., and from 5th Ave. to Central Park. West.

Empire State Building

This is among the most striking building in the city, the nation,even the world. The observation dock (瞭望台) on the 86th floor is open to general public, offering a wonderful view of the second floor youll find the New York Skyride, a simulated (模拟的) helicopter ride. Over Manhattan.5th Ave. at 34th St., Midtown/ (212)736 — 3100.

Intrepid Sea-Air-Space Museum

Five blocks west of Time Square, this museum has hundreds of air, deep-sea and space exhibit’s. Walk the fight deck of the 900-foot-long aircraft carrier Intrepid,see dozens of old and modern aircraft and ride the Intrepid Navy Flight Simulator.Pier 86,W. 46th St.and 12th Ave./(212)245-0072.

Madison Square Garden

If it’s big, it probably happens at the Garden. Check out sporting events, concerts and much more.Tours are available. 7th Ave, btwn. 31th and 33th Sts., Midtown/(212)4656-741.

1. The New York Skyride is for ______.

A. sightseeing                B. fight training

C. model plane-sports          D. city transportation

2. If a visitor is interested in music,he will probably go to______.

A. Central Park                        B. Empire State Building

C. Intrepid Sea-Air-Space Museum        D. Madison Square Garden

3. What is the purpose of these texts?

A. To provide information of living in New York.

B. To provide directions of city traffic in New York.

C. To give visitors a guide to New York.

D. To give a brief introduction to the history of New York.

中央银行通常采用的货币政策有( )。

A．存款准备金制度

B．增发国债

C．再贴现政策

D．公开市场业务