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【单选题】
As a job seeker, he should first decide what to do and what he should _________ in his resume(履历).
A.
leave behind
B.
leave out
C.
leave alone
D.
leave off
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举一反三
【判断题】铸钢的收缩率比灰口铸铁大。()
A.
正确
B.
错误
【判断题】“国防”一词在我国最早见于《孙子兵法》
A.
正确
B.
错误
【简答题】用already 或yet 填空。 1. I've done most of my jobs. 2. Have you fed the cat ? 3. I haven't cleaned out the refrigerator ____ . 4.—Have you watered the plants ____ ? —Yes, I've watered them.
【单选题】下列有关铸铁表述错误的是( ) A .灰铸铁的强度、塑性和韧性远不如钢,但铸造性能比钢好 B .白口铸铁凝固时收缩大,易产生缩孔、裂纹,硬度高,脆性大,不能承受冲击载荷 C .蠕墨铸铁具有耐热冲击和抗热生长的能力,可用制造空气压缩机箱体 D . KTZ450 — 06 表示珠光体可锻铸铁,最低抗拉强度为 450MPa ,最低伸长率为 6%
A.
B.
C.
D.
D
【单选题】企业某年月初资产总额为30万元,月末负债总额比月初减少3万元,月末所有者权益比月初增加9万元。则该企业月末资产总额为( )万元。
A.
39
B.
36
C.
30
D.
27
【判断题】铸钢的收缩率比铸铁(灰口)大。
A.
正确
B.
错误
【单选题】Q: Why does the man think that robots can't do their jobs?
A.
Because robots can’t be trained to do their jobs.
B.
Because robots don’t have the creativity that is needed.
C.
Because robots are busy doing other jobs.
D.
Because robots don’t want jobs with creativity.
【简答题】We couldn’t on my salary alone, so my wife did some part-time jobs.
【判断题】铸钢的收缩率比铸铁(灰口)大。
A.
正确
B.
错误
【单选题】灰口铸铁的收缩率比铸钢小,主要是因为 。
A.
含碳量高
B.
结晶时的石墨析出
C.
结晶温度区间大
D.
浇注温度范围大
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