请用元素或化学式表示： (1)2个氮原子_____________； (2)3个

用括号内动词的适当形式填空。

1. One of the boys ______ (be) born in 1990?

2. Mr Wang ______ (enter)a competition before?

3. ______ you ever ______ (write) to your friend in English?

4.  My brother______ (not visit) the Great Wall last year?

5. Tom ______ (not go) to the zoo, will he?

6. I ______ just______ (finish) my homework.?

7. The boy ______ (stay) at home last night.?

8. The man ______ (be) 40 years old now.He ______ (be) in Tianjin for 20 years?

9.—Sally ______ (visit) China?

    —No, hasn't?

10. Lingling wants ______  (go) to the USA.

易形成"肿瘤软骨"的是哪种()

A．软骨肉瘤

B．骨纤维瘤

C．溶骨性骨肉瘤

D．骨软骨瘤

E．恶性骨肿瘤

如果求助者认为神明可以保佑自己，心理咨询师应该( )。

A．给他讲辨证唯物主义道理
B．判断他为弱智
C．批评他的不正当做法
D．尊重他的个人信仰

个人消费额度贷款可以随时向银行申请使用。( )

The（）process analyzes the effect of risk events and assigns a numerical rating to those risks.

A.Riskldentification

B.Quantitative RiskAnalysis

C.Qualitative RiskAnalysis

D.Risk Monitoring and Control