皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【简答题】
You now have 5 minutes to transfer all your answers from your test booklet to ANSWERSHEET 1. This is the end of Listening Comprehension. Section II Use of English (15 minutes) Directions : Read the following text. Choose the best word or phrase for each numbered blank and mark A, B, C or D on ANSWER SHEET1. Believe it or not, airlines really are trying to do better. They promised to improve customer service last year (21) pressure from a Congress which was (22) stories of nightmare flights. So why is it that flying is getting (23) for so many passengers, (24) airlines are spending billions of dollars to improve service, (25) in new equipment such as mobile check-in stations and portable phone banks so travelers can quickly ( 26) a flight when it is delayed or canceled? The fact is that air travel has ( 27) been such an annoyance, and customer complaints to the Transportation Department doubled in 1999 (28) 1998. It seems Mother Nature would (29) people by bus this year. An unusual run of bad weather, (30) long walls of thunderstorms, has crippled airports lately and led to widespread delays and cancellations. After similar problems last summer, the FAA promised to work more closely with airlines (31) weather slowdowns-for example, FAA and airline representatives now gather at a single location in Herndon, Va. , to (32) the best way to allocate the available airspace. But even the FAA (33) the new initiative has fallen (34) of expectations, and many passengers complain that the delays seem (35). Part of the problem is overcrowded planes. (36) the strong economy, U. S. airlines are ex-pected to carry a record 665 million passengers this year, up 5 percent from last year. on (37), planes are about 76 percent full these days, also a (38)' That's good news for the Transport Department, which are profitably loading more passengers (39 )each flight, and bad news for pas sengers , (40) irritations build rapidly in tight quarters. 21. [A] under [B] below [C] beneath [D] beyond
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【多选题】数字签名可以提供的功能是( )。(选择2项)
A.
数据的完整性
B.
数据的机密性
C.
操作的不可否认性
D.
数据的加密性
【单选题】某被评估实验室设备已投入使用5年,按设计标准,在5年内应正常工作14600小时。由于实验室利用率低,如果一年按365天作计算,在过去的5年内平均每天只工作4个小时。经专家鉴定,如果按设计标准满负荷使用,预计该设备还可以使用8年,若不考虑其他因素,该设备的成新率最接近于()。
A.
66%
B.
76%
C.
86%
D.
90%
【单选题】下列不属于计算机通信网络优点的是( )。
A.
容量大
B.
速度快
C.
覆盖面广
D.
成本低
【单选题】某被评估实验室设备已投入使用5年,按设计标准,在五年内应正常工作14600小时。由于实验是利用率低,如果一年按365天作计算,在过去的五年内平均每天只工作4个小时。经专家鉴定,如果按设计标准满负荷使用,预计该设备还可以使用8年,若不考虑其他因素,该设备的成新率最接近于( )
A.
66%
B.
76%
C.
86%
D.
90%
【单选题】工业上生产MnO 2 和Zn的主要反应有: ①MnO 2 +ZnS+2H 2 SO 4 =MnSO 4 +ZnSO 4 +S+2H 2 O ②MnSO 4 +ZnSO 4 +2H 2 O MnO 2 +Zn+2H 2 SO 4 下列说法不正确的是 [     ]
A.
H 2 SO 4 氧化性大于MnO 2
B.
①中析出16g S时转移l mol电子
C.
②反应电解时阴极上Zn 2+ 先放电
D.
硫酸在该生产中可循环利用
【单选题】I am in no ____我不着急
A.
hurry
B.
ahead
C.
apologies
D.
nodding
【简答题】MnO 4 - + H + + I 2 ——
【单选题】工业上生产MnO 2 和Zn的主要反应有: ①MnO 2 +ZnS+2H 2 SO 4 ==MnSO 4 +ZnSO 4 +S+2H 2 O ②MnSO 4 +ZnSO 4 +2H 2 O MnO 2 +Zn+2H 2 SO 4 下列说法不正确的是 [     ]
A.
①中MnO 2 是氧化剂,S是还原产物
B.
①中析出16gS时转移lmol电子
C.
②中MnSO 4 发生氧化反应
D.
硫酸在该生产中可循环利用
【单选题】通过对( )广播发布有关通知、紧急召唤检修、抢修人员等。
A.
运营人员
B.
乘客
C.
工作人员
D.
站务员
【单选题】我国货币政策工具包括( )。 I.公开市场业务 II.信用贷款 III.再贴现率 IV.利率政策
A.
Ⅰ、Ⅲ、Ⅳ
B.
Ⅱ、Ⅳ
C.
Ⅰ、Ⅱ、Ⅲ、Ⅳ
D.
Ⅰ、Ⅱ、Ⅲ
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题