A rigid lifesaving device only designed for survivors to hol

Not only() many cars built in the 1970s ugly and poorly designed, they also became very unreliable after 4050 thousand miles.

A. was

B. are

C. were

A large metallic device，mounted directly in the piping (usually located at the dock near the point where the vapor hose is attached)，designed to prevent the passage of a rapidly moving flame through the piping is called a ______.

A.flame arrestor

B.flame screen

C.detonation arrestor

D.detonation blocker

Attributes quality data are:

A . quantitative or qualitative data

B . quality data for which the products or services is designed and built.

C . reflect measurements on a continuous scale of a characteristic of the product or service

D . indicate management's understanding of the concept of variability

E . A and B only

An embedded operating system is the(71)program that manages all the other programs in an embedded device after initial load of programs by a(an)(72). It normally guarantees a capability within a specified(73)size and(74)constraint as well as with application programs. It also n0rmalty has small foot print including initial boot loader, OS kernel, required device drivers,(75)for the user data and so forth. It has very-likely structure of a normal operating system however mainly differentiated by some factors such as type of pre-installed device, functional limits, taking designed job only.

A．hardware

B．business

C．software

D．external

Which device is designed to automatically hold the load if power should fail to an electric winch?

A.Pneumatic brake

B.Electromagnetic brake

C.Hand brake

D.Motor controller

Which of the sentences below use the rhetorical device of rhetorical question?

A、Rouse the Rabble by Routing Reason.

B、What is there for them in the paper, usually the only paper, of their own?

C、What features are provided for these people?

D、To quote Eric Sevareid: “Our rigid formulae of so-called objectivity, . . .the warp and woof of