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【单选题】
主要使用薄片材料为原材料的 3D 打印技术的是 ( )。A.
LOM
B.
LON
C.
SLA
D.
STL
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反馈参考答案：
举一反三
【单选题】下列哪一种情况可以通过增加[S]的办法减轻抑制程度?
A.
竞争性可逆抑制作用
B.
非竞争性可逆抑制作用
C.
反竞争性可逆抑制作用
D.
不可逆抑制作用
E.
酶的失活作用
【单选题】Which of the following statements is not true according to the passage?
A.
A visa letter of invitation is always a deciding factor in a government’s decision to issue or not issue a visa.
B.
A visa letter of invitation sometimes is helpful for an applicant to meet portions of the entry requirements.
C.
The visa letter of invitation writing process should begin 6 months before the Visit.
【单选题】Which statement is NOT correct?
A.
672 Chinese tourist agencies have been approved to organize tourist groups to Russia.
B.
One million Chinese are expected to visit Russia this year.
C.
China nationals in an approved tour group, will be visa-free to entry to Russia.
D.
The number of tourists between China and Russia increased by 30% last year.
【单选题】To____ an entry visa is very difficult now.
A.
appeal for
B.
apply for
C.
apply in
D.
appeal in
【单选题】听力原文： Chinese nationals will be entitled to visa-free entry to Russia starting in August this year, a senior Russian tourist official said yesterday in Beijing, as long as they go in an approved and a...
A.
672 Chinese tourists agencies have visited Russia.
B.
Chinese nationals can visit Russia in tour group.
C.
Russian nationals in an approved tour group will be visa-free to entry to China.
D.
Chinese nationals in an approved tour group will be visa-free 1o entry to Russia.
【单选题】EMER GCU
A.
emergence generator control units
B.
emergency generator contactor units
C.
emergency generator control units
D.
emergence generator control unit
【简答题】完成句子。 1. 昨天晚上他们陪着万先生去散步了。 They ________ ________ ________ ________ with Mr. Wan last night. 2. 在我们学校大部分男孩喜欢踢足球。 ________ ________ in our school ________ ________ soccer.
相关题目：
【单选题】To____ an entry visa is very difficult now.
A.
appeal for
B.
apply for
C.
apply in
D.
appeal in
参考解析：
知识点：
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