皮皮学，免费搜题
登录
搜题
【单选题】
设函数【图片】由方程【图片】确定，其中【图片】为可微函数，且【图片】，则【图片】等于A.
-z
B.
-x
C.
z
D.
x
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】Good use must be ______ the computer which is now sitting idle.
A.
made of
B.
made up of
C.
made from
D.
made out of
【单选题】They made frequent checks on his __________, pulse and blood.
A.
vital signs
B.
insulin
C.
inspiration
D.
respiration
【单选题】Checks must be made that cylinder starting air valves do not leak. These cim he carried out while the engine is running adjacent to the valve
A.
by applying soap solution on the air pipe
B.
by watching if there is bubble on the air pipe
C.
by feeling the temperature of the air pipe
D.
by listening to the leaking sound emitting [rom thc air pipe
【单选题】Checks must be made that cylinder starting air valves do not leak . These can be carried out while the engine is running_____adjacent to the valve.
A.
by applying soap solution on the air pipe
B.
by watching if there is bubble on the air pipe
C.
by feeling the temperature of the air pipe
D.
by listening to the leaking sound emitting from the air pipe
【单选题】The Brady Act requires that______.
A.
background checks should be made at both state and federal levels
B.
all cases of suicide and homicide should be reported to state authorities
C.
local background checks should be re-examined at the federal level
D.
the data from federal background checks should be used by all states
相关题目：
参考解析：
知识点：
题目纠错 0
发布
