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【单选题】
下面关于安全气囊使用事项说法正确的是()
A.
安全气囊不用和安全带一块使用
B.
安全气囊可以多次使用
C.
不能在安全气囊的部位黏贴饰物
D.
不能让安全气囊元件承受75o以上的温度
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【单选题】图中2所指的表面结构要求Ra的上限值是:【图片】
A.
25 μ m
B.
1.6 μ m
C.
3.2 μ m
D.
都不正确
【单选题】图中2所指的表面结构要求Ra的上限值是:【图片】
A.
none
B.
1.6 μ m
C.
3.2 μ m
D.
25 μ m
【单选题】图中2所指的表面结构要求Ra的上限值是:
A.
1.6 μ m
B.
3.2 μ m
C.
6.3 μ m
【简答题】U3 Additional Language Quiz There are ten sentences in this section. Beneath each sentence there are four choices or phrases marked A, B, C and D. Choose one word or phrase that best completes the sen...
【单选题】The little chick ______ the earthworm, deciding whether to swallow it or let it go ? [     ]
A.
stared at
B.
glimpsed at
C.
looked into
D.
glared at
【单选题】The little chick ________ the earthworm, deciding whether to swallow it or let it go. [     ]
A.
glimpsed at
B.
looked into
C.
stared at
D.
glared at
【简答题】U4 Additional Language Quiz There are ten sentences in this section. Beneath each sentence there are four choices or phrases marked A, B, C and D. Choose one word or phrase that best completes the sen...
【单选题】图中2所指的表面结构要求Ra的上限值是:【图片】
A.
1.6 μ m
B.
3.2 μ m
C.
25 μ m
D.
None
【简答题】The children looked wonderfully (health) ______ with their bright eyes and glowing cheeks.
【单选题】cheeks/chicks
A.
What lovely chicks she has!
B.
What lovely cheeks she has!
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